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/settings/src/settings_content/editor.rs

@@ -1,3 +1,4 @@
+use std::fmt::Display;
 use std::num;
 
 use collections::HashMap;
@@ -153,7 +154,8 @@ pub struct EditorSettingsContent {
     ///
     /// Values range from 0 to 106. Set to 0 to disable adjustments.
     /// Default: 45
-    pub minimum_contrast_for_highlights: Option<f32>,
+    #[schemars(range(min = 0, max = 106))]
+    pub minimum_contrast_for_highlights: Option<MinimumContrast>,
 
     /// Whether to follow-up empty go to definition responses from the language server or not.
     /// `FindAllReferences` allows to look up references of the same symbol instead.
@@ -425,7 +427,18 @@ pub enum DoubleClickInMultibuffer {
 ///
 /// Default: always
 #[derive(
-    Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq,
+    Copy,
+    Clone,
+    Debug,
+    Default,
+    Serialize,
+    Deserialize,
+    JsonSchema,
+    MergeFrom,
+    PartialEq,
+    Eq,
+    strum::VariantArray,
+    strum::VariantNames,
 )]
 #[serde(rename_all = "snake_case")]
 pub enum MinimapThumb {
@@ -440,7 +453,18 @@ pub enum MinimapThumb {
 ///
 /// Default: left_open
 #[derive(
-    Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq,
+    Copy,
+    Clone,
+    Debug,
+    Default,
+    Serialize,
+    Deserialize,
+    JsonSchema,
+    MergeFrom,
+    PartialEq,
+    Eq,
+    strum::VariantArray,
+    strum::VariantNames,
 )]
 #[serde(rename_all = "snake_case")]
 pub enum MinimapThumbBorder {
@@ -460,7 +484,19 @@ pub enum MinimapThumbBorder {
 /// Which diagnostic indicators to show in the scrollbar.
 ///
 /// Default: all
-#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq)]
+#[derive(
+    Copy,
+    Clone,
+    Debug,
+    Serialize,
+    Deserialize,
+    JsonSchema,
+    MergeFrom,
+    PartialEq,
+    Eq,
+    strum::VariantArray,
+    strum::VariantNames,
+)]
 #[serde(rename_all = "lowercase")]
 pub enum ScrollbarDiagnostics {
     /// Show all diagnostic levels: hint, information, warnings, error.
@@ -682,7 +718,18 @@ pub struct DragAndDropSelectionContent {
 ///
 /// Default: never
 #[derive(
-    Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq,
+    Copy,
+    Clone,
+    Debug,
+    Default,
+    Serialize,
+    Deserialize,
+    JsonSchema,
+    MergeFrom,
+    PartialEq,
+    Eq,
+    strum::VariantArray,
+    strum::VariantNames,
 )]
 #[serde(rename_all = "snake_case")]
 pub enum ShowMinimap {
@@ -699,7 +746,18 @@ pub enum ShowMinimap {
 ///
 /// Default: all_editors
 #[derive(
-    Copy, Clone, Debug, Default, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq,
+    Copy,
+    Clone,
+    Debug,
+    Default,
+    Serialize,
+    Deserialize,
+    JsonSchema,
+    MergeFrom,
+    PartialEq,
+    Eq,
+    strum::VariantArray,
+    strum::VariantNames,
 )]
 #[serde(rename_all = "snake_case")]
 pub enum DisplayIn {
@@ -709,3 +767,28 @@ pub enum DisplayIn {
     #[default]
     ActiveEditor,
 }
+
+/// Minimum APCA perceptual contrast for text over highlight backgrounds.
+///
+/// Valid range: 0.0 to 106.0
+/// Default: 45.0
+#[derive(
+    Clone,
+    Copy,
+    Debug,
+    Serialize,
+    Deserialize,
+    JsonSchema,
+    MergeFrom,
+    PartialEq,
+    PartialOrd,
+    derive_more::FromStr,
+)]
+#[serde(transparent)]
+pub struct MinimumContrast(pub f32);
+
+impl Display for MinimumContrast {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:.1}", self.0)
+    }
+}

crates/settings/src/settings_content/project.rs

@@ -249,7 +249,7 @@ pub struct GitSettings {
     pub git_gutter: Option<GitGutterSetting>,
     /// Sets the debounce threshold (in milliseconds) after which changes are reflected in the git gutter.
     ///
-    /// Default: null
+    /// Default: 0
     pub gutter_debounce: Option<u64>,
     /// Whether or not to show git blame data inline in
     /// the currently focused line.

crates/settings/src/settings_content/terminal.rs

@@ -199,7 +199,19 @@ impl TerminalLineHeight {
 /// When to show the scrollbar.
 ///
 /// Default: auto
-#[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, MergeFrom, PartialEq, Eq)]
+#[derive(
+    Copy,
+    Clone,
+    Debug,
+    Serialize,
+    Deserialize,
+    JsonSchema,
+    MergeFrom,
+    PartialEq,
+    Eq,
+    strum::VariantArray,
+    strum::VariantNames,
+)]
 #[serde(rename_all = "snake_case")]
 pub enum ShowScrollbar {
     /// Show the scrollbar if there's important information or