Extract platform-dependant FontSystem

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

zed/src/workspace/mod.rs

@@ -59,7 +59,7 @@ mod tests {
     #[test]
     fn test_open_paths_action() {
         App::test((), |mut app| async move {
-            let settings = settings::channel(&FontCache::new()).unwrap().1;
+            let settings = settings::channel(&app.font_cache()).unwrap().1;
 
             init(&mut app);
 

zed/src/workspace/workspace_view.rs

@@ -339,7 +339,7 @@ mod tests {
                 },
             }));
 
-            let settings = settings::channel(&FontCache::new()).unwrap().1;
+            let settings = settings::channel(&app.font_cache()).unwrap().1;
             let workspace = app.add_model(|ctx| Workspace::new(vec![dir.path().into()], ctx));
             app.finish_pending_tasks().await; // Open and populate worktree.
             let entries = workspace.file_entries(&app);
@@ -409,7 +409,7 @@ mod tests {
                 },
             }));
 
-            let settings = settings::channel(&FontCache::new()).unwrap().1;
+            let settings = settings::channel(&app.font_cache()).unwrap().1;
             let workspace = app.add_model(|ctx| Workspace::new(vec![dir.path().into()], ctx));
             app.finish_pending_tasks().await; // Open and populate worktree.
             let entries = workspace.file_entries(&app);