Add noValuePreselect option to showInputBox

Allow extensions to decide if a value passed to
vscode.window.showInputBox should start selected or not. Defaults to
current behavior as to not break the experience of existing extensions.
Fixes https://github.com/Microsoft/vscode/issues/10582.

src/vs/workbench/api/node/mainThreadQuickOpen.ts

@@ -82,6 +82,7 @@ export class MainThreadQuickOpen extends MainThreadQuickOpenShape {
 		if (options) {
 			inputOptions.password = options.password;
 			inputOptions.placeHolder = options.placeHolder;
+			inputOptions.noValuePreselect = options.noValuePreselect;
 			inputOptions.prompt = options.prompt;
 			inputOptions.value = options.value;
 			inputOptions.ignoreFocusLost = options.ignoreFocusOut;