Fix AST construction during error recovery in parsing JSX (#2452)

Author: DanielRosenwasser

internal/parser/parser.go

@@ -4603,7 +4603,7 @@ func (p *Parser) parseJsxElementOrSelfClosingElementOrFragment(inExpressionConte
 			// when an unclosed JsxOpeningElement incorrectly parses its parent's JsxClosingElement,
 			// restructure (<div>(...<span>...</div>)) --> (<div>(...<span>...</>)</div>)
 			// (no need to error; the parent will error)
-			end := lastChild.AsJsxElement().OpeningElement.End()
+			end := lastChild.Children().End()
 			missingIdentifier := p.finishNodeWithEnd(p.newIdentifier(""), end, end)
 			newClosingElement := p.finishNodeWithEnd(p.factory.NewJsxClosingElement(missingIdentifier), end, end)
 			newLast := p.finishNodeWithEnd(

testdata/baselines/reference/submodule/conformance/jsxUnclosedParserRecovery.types

@@ -338,15 +338,15 @@ var donkey = <div>
 >div : any
 
     <diddy>
-><diddy> : any
+><diddy>    <diddy/> : any
 >diddy : () => any
 
     <diddy/>
 ><diddy/> : any
 >diddy : () => any
-> : any
 
 </div>;
+> : any
 >div : any
 
 function noSelfcloseTrailingTag() { }
@@ -358,16 +358,16 @@ var donkey = <div>
 >div : any
 
     <diddy<boolean> bananas="please">
-><diddy<boolean> bananas="please"> : any
+><diddy<boolean> bananas="please">    <diddy/> : any
 >diddy : () => any
 >bananas : string
 
     <diddy/>
 ><diddy/> : any
 >diddy : () => any
-> : any
 
 </div>;
+> : any
 >div : any
 
 function noSelfcloseTypeArgAttrsTrailingTag() { }
@@ -513,13 +513,12 @@ var donkey = <div>
 >div : any
 
     <diddy>
-><diddy> : any
+><diddy>    Cranky Wrinkly Funky : any
 >diddy : () => any
 
     Cranky Wrinkly Funky
-> : any
-
 </div>;
+> : any
 >div : any
 
 function noSelfcloseTrailingText() { }
@@ -531,14 +530,13 @@ var donkey = <div>
 >div : any
 
     <diddy<boolean> bananas="please">
-><diddy<boolean> bananas="please"> : any
+><diddy<boolean> bananas="please">    Cranky Wrinkly Funky : any
 >diddy : () => any
 >bananas : string
 
     Cranky Wrinkly Funky
-> : any
-
 </div>;
+> : any
 >div : any
 
 function noSelfcloseTypeArgAttrsTrailingText() { }