Add okLabel to pick input (microsoft#235744)

Fixes microsoft#194519

Author: alexr00

src/vs/platform/quickinput/browser/quickInput.ts

@@ -562,6 +562,7 @@ export class QuickPick<T extends IQuickPickItem, O extends { useSeparators: bool
 	private _valueSelection: Readonly<[number, number]> | undefined;
 	private valueSelectionUpdated = true;
 	private _ok: boolean | 'default' = 'default';
+	private _okLabel: string | undefined;
 	private _customButton = false;
 	private _customButtonLabel: string | undefined;
 	private _customButtonHover: string | undefined;
@@ -812,6 +813,15 @@ export class QuickPick<T extends IQuickPickItem, O extends { useSeparators: bool
 		this.update();
 	}
 
+	get okLabel() {
+		return this._okLabel ?? localize('ok', "OK");
+	}
+
+	set okLabel(okLabel: string | undefined) {
+		this._okLabel = okLabel;
+		this.update();
+	}
+
 	inputHasFocus(): boolean {
 		return this.visible ? this.ui.inputBox.hasFocus() : false;
 	}
@@ -1101,6 +1111,7 @@ export class QuickPick<T extends IQuickPickItem, O extends { useSeparators: bool
 				this.selectedItemsToConfirm = null;
 			}
 		}
+		this.ui.ok.label = this.okLabel || '';
 		this.ui.customButton.label = this.customLabel || '';
 		this.ui.customButton.element.title = this.customHover || '';
 		if (!visibilities.inputBox) {

src/vs/platform/quickinput/common/quickInput.ts

@@ -477,6 +477,11 @@ export interface IQuickPick<T extends IQuickPickItem, O extends { useSeparators:
 	 */
 	ok: boolean | 'default';
 
+	/**
+	 * The OK button label.
+	 */
+	okLabel: string | undefined;
+
 	/**
 	 * An event that is fired when the custom button is triggered. The custom button is a button with text rendered to the right of the input.
 	 */

src/vs/workbench/services/dialogs/browser/simpleFileDialog.ts

@@ -283,6 +283,7 @@ export class SimpleFileDialog extends Disposable implements ISimpleFileDialog {
 			this.filePickBox.sortByLabel = false;
 			this.filePickBox.ignoreFocusOut = true;
 			this.filePickBox.ok = true;
+			this.filePickBox.okLabel = this.options.openLabel;
 			if ((this.scheme !== Schemas.file) && this.options && this.options.availableFileSystems && (this.options.availableFileSystems.length > 1) && (this.options.availableFileSystems.indexOf(Schemas.file) > -1)) {
 				this.filePickBox.customButton = true;
 				this.filePickBox.customLabel = nls.localize('remoteFileDialog.local', 'Show Local');