Fix medical doctor's wall locker fill (#13815)

* Fix medical doctor's wall locker fill

* Add new wall locker for MD's gear

* Change case

* Condense inheritance

* a

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Co-authored-by: Jeff <velcroboy333@hotmail.com>
Co-authored-by: AJCM <AJCM@tutanota.com>

Resources/Prototypes/Catalog/Fills/Lockers/medical.yml

@@ -70,6 +70,11 @@
         prob: 0.3
       - id: ClothingMaskSterile
 
+- type: entity
+  id: LockerWallMedicalDoctorFilled
+  suffix: Filled
+  parent: ["LockerWallMedical", "LockerMedicalFilled"]
+
 - type: entity
   id: LockerChemistryFilled
   suffix: Filled