Type fix

Author: vishnuv688

packages/app/src/controller/DataManager.ts

@@ -150,8 +150,8 @@ export class DataManagerController implements ReactiveController {
         this.sourcesContextProvider.setValue(merged)
         console.debug('Merged sources keys', Object.keys(merged))
       } else {
-        const provider = this[`${scope}ContextProvider`]
-        provider.setValue(data as any)
+        const provider = (this as Record<string, any>)[`${scope}ContextProvider`]
+        provider?.setValue(data as any)
       }
 
       this.#host.requestUpdate()