Optimize "Dismiss" string

Marlin/src/MarlinCore.cpp

 
   void event_probe_recover() {
     #if ENABLED(HOST_PROMPT_SUPPORT)
-      host_prompt_do(PROMPT_INFO, PSTR("G29 Retrying"), PSTR("Dismiss"));
+      host_prompt_do(PROMPT_INFO, PSTR("G29 Retrying"), DISMISS_STR);
     #endif
     #ifdef ACTION_ON_G29_RECOVER
       host_action(PSTR(ACTION_ON_G29_RECOVER));

Marlin/src/feature/host_actions.cpp

 
 #if ENABLED(HOST_PROMPT_SUPPORT)
 
-  const char CONTINUE_STR[] PROGMEM = "Continue";
+  const char CONTINUE_STR[] PROGMEM = "Continue",
+             DISMISS_STR[] PROGMEM = "Dismiss";
 
   #if HAS_RESUME_CONTINUE
     extern bool wait_for_user;

Marlin/src/feature/host_actions.h

 
 #if ENABLED(HOST_PROMPT_SUPPORT)
 
-  extern const char CONTINUE_STR[];
+  extern const char CONTINUE_STR[], DISMISS_STR[];
 
   enum PromptReason : uint8_t {
     PROMPT_NOT_DEFINED,

Marlin/src/feature/pause.cpp

   #endif
 
   #if ENABLED(HOST_PROMPT_SUPPORT)
-    host_prompt_open(PROMPT_INFO, PSTR("Pause"), PSTR("Dismiss"));
+    host_prompt_open(PROMPT_INFO, PSTR("Pause"), DISMISS_STR);
   #endif
 
   if (!DEBUGGING(DRYRUN) && unload_length && thermalManager.targetTooColdToExtrude(active_extruder)) {
   --did_pause_print;
 
   #if ENABLED(HOST_PROMPT_SUPPORT)
-    host_prompt_open(PROMPT_INFO, PSTR("Resuming"), PSTR("Dismiss"));
+    host_prompt_open(PROMPT_INFO, PSTR("Resuming"), DISMISS_STR);
   #endif
 
   #if ENABLED(SDSUPPORT)

Marlin/src/gcode/sdcard/M24_M25.cpp

       host_action_resume();
     #endif
     #if ENABLED(HOST_PROMPT_SUPPORT)
-      host_prompt_open(PROMPT_INFO, PSTR("Resuming SD"), PSTR("Dismiss"));
+      host_prompt_open(PROMPT_INFO, PSTR("Resuming SD"), DISMISS_STR);
     #endif
   #endif
 

Marlin/src/lcd/ultralcd.cpp

       host_action_cancel();
     #endif
     #if ENABLED(HOST_PROMPT_SUPPORT)
-      host_prompt_open(PROMPT_INFO, PSTR("UI Aborted"), PSTR("Dismiss"));
+      host_prompt_open(PROMPT_INFO, PSTR("UI Aborted"), DISMISS_STR);
     #endif
     print_job_timer.stop();
     set_status_P(GET_TEXT(MSG_PRINT_ABORTED));