[debug] debug knobs adjustments (#4317)

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------
minor changes to debug knobs:

-changed its category to System so it becomes per-game-able (believe me, it's useful)
-fixed kotlin field type to UShort
-changed get to Get for proper standard
-added spacings and more info to docs

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4317
Reviewed-by: Lizzie and Samuel <lizzie@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>

src/common/settings.cpp

@@ -146,7 +146,7 @@ void LogSettings() {
 #undef LOG_PATH
 }
 
-bool getDebugKnobAt(u8 i) {
+bool GetDebugKnobAt(u8 i) {
     return (values.debug_knobs.GetValue() & (1 << (i & 0xF))) != 0;
 }
 

src/common/settings.h

@@ -904,7 +904,7 @@ struct Values {
                                            0,
                                            65535,
                                            "debug_knobs",
-                                           Category::Debugging,
+                                           Category::System,
                                            Specialization::Countable,
                                            true,
                                            true};
@@ -947,7 +947,7 @@ constexpr u32 MAX_FRAME_GEN_MULTIPLIER = 4;
 
 [[nodiscard]] size_t FrameGenMaxGenerations();
 
-bool getDebugKnobAt(u8 i);
+bool GetDebugKnobAt(u8 i);
 
 void UpdateGPUAccuracy();
 bool IsGPULevelHigh();