Fix privileged port elevation flow from UI

src/vs/base/browser/ui/inputbox/inputBox.ts

@@ -398,7 +398,7 @@ export class InputBox extends Widget {
 		return !!this.validation && !this.validation(this.value);
 	}
 
-	public validate(): boolean {
+	public validate(): MessageType | undefined {
 		let errorMsg: IMessage | null = null;
 
 		if (this.validation) {
@@ -414,7 +414,7 @@ export class InputBox extends Widget {
 			}
 		}
 
-		return !errorMsg;
+		return errorMsg?.type;
 	}
 
 	public stylesForType(type: MessageType | undefined): { border: Color | undefined; background: Color | undefined; foreground: Color | undefined } {

src/vs/workbench/contrib/files/browser/views/explorerViewer.ts

@@ -451,7 +451,7 @@ export class FilesRenderer implements ICompressibleTreeRenderer<ExplorerItem, Fu
 			}),
 			DOM.addStandardDisposableListener(inputBox.inputElement, DOM.EventType.KEY_DOWN, (e: IKeyboardEvent) => {
 				if (e.equals(KeyCode.Enter)) {
-					if (inputBox.validate()) {
+					if (!inputBox.validate()) {
 						done(true, true);
 					}
 				} else if (e.equals(KeyCode.Escape)) {

src/vs/workbench/contrib/remote/browser/tunnelView.ts

@@ -348,15 +348,17 @@ class TunnelTreeRenderer extends Disposable implements ITreeRenderer<ITunnelGrou
 			inputBox,
 			dom.addStandardDisposableListener(inputBox.inputElement, dom.EventType.KEY_DOWN, (e: IKeyboardEvent) => {
 				if (e.equals(KeyCode.Enter)) {
-					if (inputBox.validate()) {
+					if (inputBox.validate() !== MessageType.ERROR) {
 						done(true, true);
+					} else {
+						done(false, true);
 					}
 				} else if (e.equals(KeyCode.Escape)) {
 					done(false, true);
 				}
 			}),
 			dom.addDisposableListener(inputBox.inputElement, dom.EventType.BLUR, () => {
-				done(inputBox.isInputValid(), true);
+				done(inputBox.validate() !== MessageType.ERROR, true);
 			}),
 			styler
 		];