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/normal.rs

@@ -989,11 +989,10 @@ impl Vim {
 mod test {
     use gpui::{KeyBinding, TestAppContext, UpdateGlobal};
     use indoc::indoc;
-    use language::language_settings::AllLanguageSettings;
     use settings::SettingsStore;
 
     use crate::{
-        VimSettings, motion,
+        motion,
         state::Mode::{self},
         test::{NeovimBackedTestContext, VimTestContext},
     };
@@ -1724,8 +1723,8 @@ mod test {
     async fn test_f_and_t_smartcase(cx: &mut gpui::TestAppContext) {
         let mut cx = VimTestContext::new(cx, true).await;
         cx.update_global(|store: &mut SettingsStore, cx| {
-            store.update_user_settings::<VimSettings>(cx, |s| {
-                s.use_smartcase_find = Some(true);
+            store.update_user_settings(cx, |s| {
+                s.vim.get_or_insert_default().use_smartcase_find = Some(true);
             });
         });
 
@@ -1891,8 +1890,12 @@ mod test {
 
         cx.update(|_, cx| {
             SettingsStore::update_global(cx, |settings, cx| {
-                settings.update_user_settings::<AllLanguageSettings>(cx, |settings| {
-                    settings.defaults.preferred_line_length = Some(5);
+                settings.update_user_settings(cx, |settings| {
+                    settings
+                        .project
+                        .all_languages
+                        .defaults
+                        .preferred_line_length = Some(5);
                 });
             })
         });