fix: enum schemas now respect the default field in zod and other plugins

Agent-Logs-Url: https://github.com/hey-api/openapi-ts/sessions/289ced46-1239-4bc9-8165-9dc3d21f49f9

Author: Copilot

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@angular/common/default-class/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@angular/common/default/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@hey-api/sdk/default/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@hey-api/sdk/throwOnError/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@pinia/colada/fetch/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@tanstack/angular-query-experimental/axios/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@tanstack/angular-query-experimental/fetch/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@tanstack/preact-query/axios/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@tanstack/preact-query/fetch/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;

packages/openapi-ts-tests/main/test/__snapshots__/3.0.x/plugins/@tanstack/react-query/axios/types.gen.ts

@@ -1960,7 +1960,7 @@ export type ComplexParamsData = {
         readonly key: string | null;
         name: string | null;
         enabled?: boolean;
-        type: 'Monkey' | 'Horse' | 'Bird';
+        readonly type: 'Monkey' | 'Horse' | 'Bird';
         listOfModels?: Array<ModelWithString> | null;
         listOfStrings?: Array<string> | null;
         parameters: ModelWithString | ModelWithEnum | ModelWithArray | ModelWithDictionary;