Arm64Emitter: Removes Default pad type from LoadConstant

All direct usages have been audited. Now we need to do indirect usages
through the `Constant` IR operation.

Author: Sonicadvance1

FEXCore/Source/Interface/Core/ArchHelpers/Arm64Emitter.h

@@ -117,7 +117,7 @@ class Arm64Emitter : public ARMEmitter::Emitter {
     // Choose to pad or not depending on if code-caching is enabled.
     AUTOPAD,
   };
-  void LoadConstant(ARMEmitter::Size s, ARMEmitter::Register Reg, uint64_t Constant, PadType Pad = PadType::AUTOPAD, int MaxBytes = 0);
+  void LoadConstant(ARMEmitter::Size s, ARMEmitter::Register Reg, uint64_t Constant, PadType Pad, int MaxBytes = 0);
 
 protected:
   FEXCore::Context::ContextImpl* EmitterCTX;