Fixes #18427 Map jsx-tags lang id to jsx in emmet (#18472)

src/vs/workbench/parts/emmet/node/editorAccessor.ts

@@ -162,7 +162,7 @@ export class EditorAccessor implements emmet.Editor {
 			return syntax;
 		}
 
-		if (/\b(typescriptreact|javascriptreact)\b/.test(syntax)) { // treat tsx like jsx
+		if (/\b(typescriptreact|javascriptreact|jsx-tags)\b/.test(syntax)) { // treat tsx like jsx
 			return 'jsx';
 		}
 		if (syntax === 'sass-indented') { // map sass-indented to sass

src/vs/workbench/parts/emmet/test/node/editorAccessor.test.ts

@@ -73,6 +73,7 @@ suite('Emmet', () => {
 			// mapped syntaxes
 			testIsEnabled('typescriptreact', null);
 			testIsEnabled('javascriptreact', null);
+			testIsEnabled('jsx-tags', null);
 			testIsEnabled('sass-indented', null);
 
 			// syntaxes mapped using the scope name of the grammar
@@ -147,6 +148,7 @@ suite('Emmet', () => {
 			// mapped syntaxes
 			testSyntax('typescriptreact', null, 'jsx');
 			testSyntax('javascriptreact', null, 'jsx');
+			testSyntax('jsx-tags', null, 'jsx');
 			testSyntax('sass-indented', null, 'sass');
 
 			// syntaxes mapped using the scope name of the grammar