Only have file picker local options if file schema

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

@@ -215,7 +215,7 @@ export class RemoteFileDialog {
 			this.filePickBox.autoFocusOnList = false;
 			this.filePickBox.ignoreFocusOut = true;
 			this.filePickBox.ok = true;
-			if (this.options && this.options.availableFileSystems && (this.options.availableFileSystems.length > 1)) {
+			if (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');
 				let action;