Make sure we don't report errors in chat code blocks (microsoft#204779)

Author: mjbvz

extensions/typescript-language-features/src/configuration/fileSchemes.ts

@@ -16,8 +16,6 @@ export const azurerepos = 'azurerepos';
 export const vsls = 'vsls';
 export const walkThroughSnippet = 'walkThroughSnippet';
 export const vscodeNotebookCell = 'vscode-notebook-cell';
-export const memFs = 'memfs';
-export const vscodeVfs = 'vscode-vfs';
 export const officeScript = 'office-script';
 export const chatCodeBlock = 'vscode-chat-code-block';
 
@@ -31,6 +29,7 @@ export function getSemanticSupportedSchemes() {
 		untitled,
 		walkThroughSnippet,
 		vscodeNotebookCell,
+		chatCodeBlock,
 	];
 }
 

extensions/typescript-language-features/src/tsServer/bufferSyncSupport.ts

@@ -745,6 +745,10 @@ export default class BufferSyncSupport extends Disposable {
 	}
 
 	private shouldValidate(buffer: SyncedBuffer): boolean {
+		if (buffer.resource.scheme === fileSchemes.chatCodeBlock) {
+			return false;
+		}
+
 		if (!this.client.configuration.enableProjectDiagnostics && !this._tabResources.has(buffer.resource)) { // Only validate resources that are showing to the user
 			return false;
 		}