vscode does not open remote files that start with a dot. Fixes micros…

…oft/vscode-remote-release#3424

src/vs/platform/windows/electron-main/windowsMainService.ts

@@ -1134,7 +1134,7 @@ export class WindowsMainService extends Disposable implements IWindowsMainServic
 					if (forceOpenWorkspaceAsFile) {
 						return { fileUri: uri, remoteAuthority };
 					}
-				} else if (posix.extname(anyPath).length > 0) {
+				} else if (posix.basename(anyPath).indexOf('.') !== -1) { // file name starts with a dot or has an file extension
 					return { fileUri: uri, remoteAuthority };
 				}
 			}