settings_ui: Pick a more reasonable minimum window size (zed-industries#43556)

Closes zed-industries#41903

Release Notes:

- Fixed settings ui being forced larger than small screens

Author: Veykril

crates/settings_ui/src/settings_ui.rs

@@ -607,7 +607,10 @@ pub fn open_settings_editor(
                 window_background: cx.theme().window_background_appearance(),
                 app_id: Some(app_id.to_owned()),
                 window_decorations: Some(window_decorations),
-                window_min_size: Some(scaled_bounds),
+                window_min_size: Some(gpui::Size {
+                    width: px(360.0),
+                    height: px(240.0),
+                }),
                 window_bounds: Some(WindowBounds::centered(scaled_bounds, cx)),
                 ..Default::default()
             },