Revert "Hide the mouse when the user is typing in the editor (#25040)" (#25393)

This reverts commit a8610fbd13.

I've been seeing some reports of segmentation faults that appear to
point to this change as the culprit.

Closes #25366.

Release Notes:

- Community: Reverted #25040, so remove the corresponding entry from the
release notes.

crates/editor/src/editor_settings.rs

@@ -37,7 +37,6 @@ pub struct EditorSettings {
     pub auto_signature_help: bool,
     pub show_signature_help_after_edits: bool,
     pub jupyter: Jupyter,
-    pub hide_mouse_while_typing: Option<bool>,
 }
 
 #[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, JsonSchema)]
@@ -271,10 +270,6 @@ pub struct EditorSettingsContent {
     ///
     /// Default: None
     pub cursor_shape: Option<CursorShape>,
-    /// Determines whether the mouse cursor should be hidden while typing in an editor or input box.
-    ///
-    /// Default: true
-    pub hide_mouse_while_typing: Option<bool>,
     /// How to highlight the current line in the editor.
     ///
     /// Default: all