settings ui: Add missing setting elements (#39644)

Added the following settings to the UI

Editor Page - Scrollbar Section (9 settings)
- Show
- Cursors
- Git Diff
- Search Results
- Selected Text
- Selected Symbol
- Diagnostics
- Horizontal Scrollbar
- Vertical Scrollbar

 Editor Page - Minimap Section (6 settings)
- Show
- Display In
- Thumb
- Thumb Border
- Current Line Highlight
- Max Width Columns

Editor Page - Editor Behavior Section (3 settings)
- Expand Excerpt Lines
- Excerpt Context Lines
- Minimum Contrast For Highlights

 Debugger Page (7 settings)
- Stepping Granularity
- Save Breakpoints
- Timeout
- Dock
- Log DAP Communications
- Format DAP Log Messages
- Button

 Panels Page - Git Panel Section (3 settings)
- Button
- Dock
- Default Width

Collaboration Page - Experimental Section (4 settings)
- Auto Microphone Volume
- Auto Speaker Volume
- Denoise
- Legacy Audio Compatible

Release Notes:

- N/A

crates/ui_input/src/numeric_stepper.rs

@@ -1,6 +1,6 @@
 use std::{
     fmt::Display,
-    num::{NonZeroU32, NonZeroU64},
+    num::{NonZero, NonZeroU32, NonZeroU64},
     rc::Rc,
     str::FromStr,
 };
@@ -8,7 +8,7 @@ use std::{
 use editor::{Editor, EditorStyle};
 use gpui::{ClickEvent, Entity, FocusHandle, Focusable, FontWeight, Modifiers};
 
-use settings::CodeFade;
+use settings::{CodeFade, MinimumContrast};
 use ui::{IconButtonShape, prelude::*};
 
 #[derive(Debug, Default, Clone, Copy, PartialEq, Eq, Hash)]
@@ -88,6 +88,30 @@ impl NumericStepperType for settings::CodeFade {
     }
 }
 
+impl NumericStepperType for settings::MinimumContrast {
+    fn default_step() -> Self {
+        MinimumContrast(1.0)
+    }
+    fn large_step() -> Self {
+        MinimumContrast(10.0)
+    }
+    fn small_step() -> Self {
+        MinimumContrast(0.5)
+    }
+    fn min_value() -> Self {
+        MinimumContrast(0.0)
+    }
+    fn max_value() -> Self {
+        MinimumContrast(106.0)
+    }
+    fn saturating_add(self, rhs: Self) -> Self {
+        MinimumContrast((self.0 + rhs.0).min(Self::max_value().0))
+    }
+    fn saturating_sub(self, rhs: Self) -> Self {
+        MinimumContrast((self.0 - rhs.0).max(Self::min_value().0))
+    }
+}
+
 macro_rules! impl_numeric_stepper_int {
     ($type:ident) => {
         impl NumericStepperType for $type {
@@ -207,6 +231,7 @@ impl_numeric_stepper_int!(u64);
 
 impl_numeric_stepper_nonzero_int!(NonZeroU32, u32);
 impl_numeric_stepper_nonzero_int!(NonZeroU64, u64);
+impl_numeric_stepper_nonzero_int!(NonZero<usize>, usize);
 
 #[derive(RegisterComponent)]
 pub struct NumericStepper<T = usize> {