feat: app server projects modals + modal borders (#5256)

* feat: add modals

* NewModal add stroke

* update diff type sorting

* update icon to match figma

* fix lint ci issues

* remove formatCategory

* feature flag on buttons

* prepr

* consistent modal borders

* intl

---------

Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

apps/app-frontend/src/store/theme.ts

@@ -6,6 +6,7 @@ export const DEFAULT_FEATURE_FLAGS = {
 	worlds_tab: false,
 	worlds_in_home: true,
 	servers_in_app: false,
+	server_project_qa: false,
 }
 
 export const THEME_OPTIONS = ['dark', 'light', 'oled', 'system'] as const