fix(app): add scroll to project selector dropdown (#39016)

Co-authored-by: Brendan Allan <git@brendonovich.dev>

packages/app/src/components/prompt-project-selector.tsx

@@ -364,6 +364,7 @@ export function PromptProjectSelector(props: {
                 </button>
               </Show>
             </div>
+            <div class="max-h-[224px] overflow-y-auto">
               <Show
                 when={props.controller.servers().length > 1}
                 fallback={
@@ -400,6 +401,7 @@ export function PromptProjectSelector(props: {
                 </For>
               </Show>
             </div>
+          </div>
           <div class="h-px bg-v2-border-border-muted" />
           <div class="flex flex-col p-0.5">
             <Show