Fix missing include & condition (#14682)

Marlin/src/lcd/extensible_ui/ui_api.cpp

         UNUSED(mm);
       #endif
 
-      #if EXTRUDERS > 1
+      #if EXTRUDERS > 1 && HAS_HOTEND_OFFSET
         /**
          * When linked_nozzles is false, as an axis is babystepped
          * adjust the hotend offsets so that the other nozzles are

Marlin/src/module/tool_change.cpp

   #include "../lcd/ultralcd.h"
 #endif
 
+#if ENABLED(ADVANCED_PAUSE_FEATURE)
+  #include "../feature/pause.h"
+#endif
+
 #if DO_SWITCH_EXTRUDER
 
   #if EXTRUDERS > 3