Fixes #78098: Return isPreferred from vscode.executeCodeActionProvider

src/vs/workbench/api/common/extHostApiCommands.ts

@@ -506,6 +506,7 @@ export class ExtHostApiCommands {
 					if (codeAction.command) {
 						ret.command = this._commands.converter.fromInternal(codeAction.command);
 					}
+					ret.isPreferred = codeAction.isPreferred;
 					return ret;
 				}
 			}));

src/vs/workbench/api/common/extHostTypes.ts

@@ -1075,6 +1075,8 @@ export class CodeAction {
 
 	kind?: CodeActionKind;
 
+	isPreferred?: boolean;
+
 	constructor(title: string, kind?: CodeActionKind) {
 		this.title = title;
 		this.kind = kind;