Fixes issue #8

Fixes issue #8 on https://github.com/TheZeroBeast/MM-control-01/issues/8

Cleared filamentLoaded bool when MMU Ejecting filament.

Firmware/mmu.cpp

@@ -706,6 +706,7 @@ void mmu_M600_load_filament(bool automatic)
 {
     //load filament for mmu v2
     tmp_extruder = mmu_extruder;
+    lastLoadedFilament = -10;
     if (!automatic) {
 #ifdef MMU_M600_SWITCH_EXTRUDER
         bool yes = lcd_show_fullscreen_message_yes_no_and_wait_P(_i("Do you want to switch extruder?"), false);
@@ -1277,4 +1278,4 @@ void mmu_eject_filament(uint8_t filament, bool recover)
     {
         puts_P(PSTR("Filament nr out of range!"));
     }
-}
+}