Windows: enable showing/hiding password for system encryption in Windows UI and in the bootloader (F5 key). This will be helpful to diagnose issues with non-US versions of Windows.

src/Format/Tcformat.c

@@ -3932,7 +3932,6 @@ BOOL CALLBACK PageDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
 						bKeyboardLayoutChanged = TRUE;
 					}
 
-					ShowWindow(GetDlgItem(hwndDlg, IDC_SHOW_PASSWORD), SW_HIDE);
 
 					if (SetTimer (MainDlg, TIMER_ID_KEYB_LAYOUT_GUARD, TIMER_INTERVAL_KEYB_LAYOUT_GUARD, NULL) == 0)
 					{