Adjust M109 for SINGLENZOZZLE

MarlinKimbra/Marlin_main.cpp

@@ -4400,6 +4400,9 @@ void process_commands()
       {
         if(setTargetedHotend(104)) break;
         if(debugDryrun()) break;
+        #ifdef SINGLENOZZLE
+          if (tmp_extruder != active_extruder) break;
+        #endif
         if (code_seen('S')) setTargetHotend(code_value(), tmp_extruder);
         #ifdef DUAL_X_CARRIAGE
           if (dual_x_carriage_mode == DXC_DUPLICATION_MODE && tmp_extruder == 0)
@@ -4500,6 +4503,9 @@ void process_commands()
       {
         if(setTargetedHotend(109)) break;
         if(debugDryrun()) break;
+        #ifdef SINGLENOZZLE
+          if (tmp_extruder != active_extruder) break;
+        #endif
         LCD_MESSAGEPGM(MSG_HEATING);
         #ifdef AUTOTEMP
           autotemp_enabled=false;

MarlinKimbra/temperature.h

@@ -125,9 +125,7 @@ FORCE_INLINE void setTargetHotend(const float &celsius, uint8_t extruder) {
   #ifndef SINGLENOZZLE  
     target_temperature[extruder] = celsius;
   #else
-    if (extruder == active_extruder) {
     target_temperature[0] = celsius;
-    }
   #endif
 }
 FORCE_INLINE void setTargetBed(const float &celsius) { target_temperature_bed = celsius; }