Musician job completeness (#6889)

Resources/Prototypes/Roles/Jobs/Civilian/musician.yml

@@ -7,7 +7,8 @@
   icon: "Musician"
   supervisors: "whoever hires you"
   access:
-  - Maintenance # TODO Remove maint access for all gimmick jobs once access work is completed
+  - Maintenance
+  - Theatre
 
 - type: startingGear
   id: MusicianGear
@@ -16,7 +17,7 @@
     back: ClothingBackpackMusicianFilled
     eyes: ClothingEyesGlassesSunglasses
     shoes: ClothingShoesColorBlack
-    id: AssistantPDA
+    id: MusicianPDA
     ears: ClothingHeadsetService
   satchel: ClothingBackpackSatchelMusicianFilled
   duffelbag: ClothingBackpackDuffelMusicianFilled