feature_flags: Add FeatureFlag suffix to feature flag types (#29392)

This PR adds the `FeatureFlag` suffix to the feature flag types that
were missing them.

This makes the names easier to search in the codebase.

Release Notes:

- N/A

crates/editor/src/editor.rs

@@ -71,7 +71,7 @@ use element::{AcceptEditPredictionBinding, LineWithInvisibles, PositionMap, layo
 pub use element::{
     CursorLayout, EditorElement, HighlightedRange, HighlightedRangeLine, PointForPosition,
 };
-use feature_flags::{Debugger, FeatureFlagAppExt};
+use feature_flags::{DebuggerFeatureFlag, FeatureFlagAppExt};
 use futures::{
     FutureExt,
     future::{self, Shared, join},
@@ -5159,7 +5159,7 @@ impl Editor {
                                 Self::build_tasks_context(&project, &buffer, buffer_row, tasks, cx)
                             });
 
-                    let debugger_flag = cx.has_flag::<Debugger>();
+                    let debugger_flag = cx.has_flag::<DebuggerFeatureFlag>();
 
                     Some(cx.spawn_in(window, async move |editor, cx| {
                         let task_context = match task_context {
@@ -9150,7 +9150,7 @@ impl Editor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if !cx.has_flag::<Debugger>() {
+        if !cx.has_flag::<DebuggerFeatureFlag>() {
             return;
         }
         let source = self