Settings refactor (#38367)

Co-Authored-By: Ben K <ben@zed.dev>
Co-Authored-By: Anthony <anthony@zed.dev>
Co-Authored-By: Mikayla <mikayla@zed.dev>

Release Notes:

- settings: Major internal changes to settings. The primary user-facing
effect is that some settings which did not make sense in project
settings files are no-longer read from there. (For example the inline
blame settings)

---------

Co-authored-by: Ben Kunkle <ben@zed.dev>
Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>
Co-authored-by: Anthony <anthony@zed.dev>

crates/vim/src/test.rs

@@ -22,7 +22,6 @@ pub use vim_test_context::*;
 
 use indoc::indoc;
 use search::BufferSearchBar;
-use workspace::WorkspaceSettings;
 
 use crate::{PushSneak, PushSneakBackward, insert::NormalBefore, motion, state::Mode};
 
@@ -1562,10 +1561,10 @@ async fn test_plus_minus(cx: &mut gpui::TestAppContext) {
 async fn test_command_alias(cx: &mut gpui::TestAppContext) {
     let mut cx = VimTestContext::new(cx, true).await;
     cx.update_global(|store: &mut SettingsStore, cx| {
-        store.update_user_settings::<WorkspaceSettings>(cx, |s| {
+        store.update_user_settings(cx, |s| {
             let mut aliases = HashMap::default();
             aliases.insert("Q".to_string(), "upper".to_string());
-            s.command_aliases = Some(aliases)
+            s.workspace.command_aliases = aliases
         });
     });