Show print time with PRINTER_EVENT_LEDS

Marlin/src/gcode/lcd/M0_M1.cpp

 
     if (has_message)
       ui.set_status(args, true);
-    else {
+    else if (!parser.seenval('Q')) {
       LCD_MESSAGEPGM(MSG_USERWAIT);
       #if ENABLED(LCD_PROGRESS_BAR) && PROGRESS_MSG_EXPIRE > 0
         ui.reset_progress_bar_timeout();
     host_prompt_do(PROMPT_USER_CONTINUE, PSTR("M0/1 Break Called"), CONTINUE_STR);
   #endif
 
-  if (ms > 0) {
-    ms += millis();  // wait until this time for a click
-    while (PENDING(millis(), ms) && wait_for_user) idle();
-  }
-  else
-    while (wait_for_user) idle();
+  if (ms > 0) ms += millis();  // wait until this time for a click
+  while (wait_for_user && (ms > 0 || PENDING(millis(), ms))) idle();
 
   #if HAS_LEDS_OFF_FLAG
     printerEventLEDs.onResumeAfterWait();

Marlin/src/gcode/queue.cpp

   if (*cmd == 0 || *cmd == '\n' || *cmd == '\r') return true;
 
   if (_enqueue(cmd)) {
-    SERIAL_ECHO_START();
-    SERIAL_ECHOLNPAIR(MSG_ENQUEUEING, cmd, "\"");
+    SERIAL_ECHO_MSG(MSG_ENQUEUEING, cmd, "\"");
     return true;
   }
   return false;
             #if ENABLED(PRINTER_EVENT_LEDS)
               printerEventLEDs.onPrintCompleted();
               #if HAS_RESUME_CONTINUE
-                inject_P(PSTR("M0 S"
+                inject_P(PSTR("M0 Q S"
                   #if HAS_LCD_MENU
                     "1800"
                   #else