feat(settings): auto close popup when opening theme creator

src/svelte-interface/components/themes/ThemeSelector.svelte

@@ -10,6 +10,7 @@
   import { deleteTheme } from '@/seqta/ui/themes/deleteTheme'
   import { OpenStorePage } from '@/seqta/ui/renderStore'
   import { themeUpdates } from '@/svelte-interface/hooks/ThemeUpdates'
+  import { closeExtensionPopup } from '@/SEQTA'
 
   let themes = $state<ThemeList | null>(null);
   let { isEditMode } = $props<{ isEditMode: boolean }>();
@@ -199,7 +200,7 @@
     </button>
 
     <button
-      onclick={() => OpenThemeCreator()}
+      onclick={() => { OpenThemeCreator(); closeExtensionPopup() }}
       class="flex items-center justify-center w-full transition aspect-theme rounded-xl bg-zinc-100 dark:bg-zinc-900 dark:text-white"
     >
       <span class="text-xl font-IconFamily">&#xec60;</span>