New revision of the Assistant Panel (#10870)

This is a crate only addition of a new version of the AssistantPanel.
We'll be putting this behind a feature flag while we iron out the new
experience.

Release Notes:

- N/A

---------

Co-authored-by: Nathan Sobo <nathan@zed.dev>
Co-authored-by: Antonio Scandurra <me@as-cii.com>
Co-authored-by: Conrad Irwin <conrad@zed.dev>
Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>
Co-authored-by: Antonio Scandurra <antonio@zed.dev>
Co-authored-by: Nate Butler <nate@zed.dev>
Co-authored-by: Nate Butler <iamnbutler@gmail.com>
Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
Co-authored-by: Max <max@zed.dev>

crates/storybook/src/story_selector.rs

@@ -29,14 +29,14 @@ pub enum ComponentStory {
     ListHeader,
     ListItem,
     OverflowScroll,
+    Picker,
     Scroll,
     Tab,
     TabBar,
+    Text,
     TitleBar,
     ToggleButton,
-    Text,
     ViewportUnits,
-    Picker,
 }
 
 impl ComponentStory {

crates/storybook/src/storybook.rs

@@ -11,7 +11,7 @@ use gpui::{
 };
 use log::LevelFilter;
 use project::Project;
-use settings::{default_settings, KeymapFile, Settings, SettingsStore};
+use settings::{KeymapFile, Settings};
 use simplelog::SimpleLogger;
 use strum::IntoEnumIterator;
 use theme::{ThemeRegistry, ThemeSettings};
@@ -64,12 +64,7 @@ fn main() {
     gpui::App::new().with_assets(Assets).run(move |cx| {
         load_embedded_fonts(cx).unwrap();
 
-        let mut store = SettingsStore::default();
-        store
-            .set_default_settings(default_settings().as_ref(), cx)
-            .unwrap();
-        cx.set_global(store);
-
+        settings::init(cx);
         theme::init(theme::LoadThemes::All(Box::new(Assets)), cx);
 
         let selector = story_selector;
@@ -122,7 +117,7 @@ impl Render for StoryWrapper {
             .flex()
             .flex_col()
             .size_full()
-            .font("Zed Mono")
+            .font_family("Zed Mono")
             .child(self.story.clone())
     }
 }