Fix custom MIDI instruments sounding incorrect; add two more microphone instrument options (#39210)

* Custom instruments update

* Update the soundfont file to bank 100 and add a readme to its comments section

* Update the various instruments to use bank 100.

Resources/Prototypes/Entities/Objects/Devices/pda.yml

@@ -1009,8 +1009,8 @@
   - type: Instrument
     allowPercussion: false
     handheld: true
-    bank: 1
     program: 2
+    bank: 100 # Defined in space-station-14.sf2
 
 - type: entity
   parent: MusicianPDA

Resources/Prototypes/Entities/Objects/Fun/Instruments/instruments_brass.yml

@@ -52,6 +52,6 @@
   components:
   - type: Instrument
     program: 3
-    bank: 1
+    bank: 100 # Defined in space-station-14.sf2
   - type: Sprite
     sprite: Objects/Fun/Instruments/euphonium.rsi

Resources/Prototypes/Entities/Objects/Fun/Instruments/instruments_misc.yml

@@ -131,7 +131,7 @@
   components:
   - type: Instrument
     program: 1
-    bank: 1
+    bank: 100 # Defined in space-station-14.sf2
   - type: Sprite
     sprite: Objects/Fun/Instruments/bike_horn.rsi
   - type: Tag

Resources/Prototypes/Entities/Objects/Fun/Instruments/instruments_percussion.yml

@@ -54,7 +54,9 @@
     instrumentList:
       "Aah": {52: 0}
       "Ooh": {53: 0}
-      "Kweh": {4: 1}
+      "Kweh": {4: 100} # Defined in space-station-14.sf2
+      "Waa": {5: 100} # Defined in space-station-14.sf2
+      "Wah": {6: 100} # Defined in space-station-14.sf2
   - type: Sprite
     sprite: Objects/Fun/Instruments/microphone.rsi
   - type: Item

Resources/Prototypes/Entities/Objects/Fun/pai.yml

@@ -9,8 +9,8 @@
   - type: Instrument
     allowPercussion: false
     handheld: false
-    bank: 1
     program: 2
+    bank: 100 # Defined in space-station-14.sf2
   - type: UserInterface
     interfaces:
       enum.StoreUiKey.Key: