chore(web): migrate CircleIconButton to @immich/ui IconButton (#18486)

* remove import and referenced file

* first pass at replacing all CircleIconButtons

* fix linting issues

* fix combobox formatting issues

* fix button context menu coloring

* remove circle icon button from search history box

* use theme switcher from UI lib

* dark mode force the asset viewer icons

* fix forced dark mode icons

* dark mode memory viewer icons

* fix: back button in memory viewer

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>

web/src/lib/cast/cast-button.svelte

@@ -2,44 +2,23 @@
   import { t } from 'svelte-i18n';
   import { onMount } from 'svelte';
   import { mdiCast, mdiCastConnected } from '@mdi/js';
-  import CircleIconButton from '$lib/components/elements/buttons/circle-icon-button.svelte';
   import { CastDestinationType, castManager } from '$lib/managers/cast-manager.svelte';
   import { GCastDestination } from '$lib/utils/cast/gcast-destination.svelte';
   import { IconButton } from '@immich/ui';
 
-  interface Props {
-    whiteHover?: boolean;
-    navBar?: boolean;
-  }
-
-  let { whiteHover, navBar }: Props = $props();
-
   onMount(async () => {
     await castManager.initialize();
   });
-
-  const getButtonColor = () => {
-    return castManager.isCasting ? 'primary' : whiteHover ? undefined : 'opaque';
-  };
 </script>
 
 {#if castManager.availableDestinations.length > 0 && castManager.availableDestinations[0].type === CastDestinationType.GCAST}
-  {#if navBar}
-    <IconButton
-      shape="round"
-      variant="ghost"
-      size="medium"
-      color={castManager.isCasting ? 'primary' : 'secondary'}
-      icon={castManager.isCasting ? mdiCastConnected : mdiCast}
-      onclick={() => void GCastDestination.showCastDialog()}
-      aria-label={$t('cast')}
-    />
-  {:else}
-    <CircleIconButton
-      color={getButtonColor()}
-      icon={castManager.isCasting ? mdiCastConnected : mdiCast}
-      onclick={GCastDestination.showCastDialog}
-      title={$t('cast')}
-    />
-  {/if}
+  <IconButton
+    shape="round"
+    variant="ghost"
+    size="medium"
+    color={castManager.isCasting ? 'primary' : 'secondary'}
+    icon={castManager.isCasting ? mdiCastConnected : mdiCast}
+    onclick={() => void GCastDestination.showCastDialog()}
+    aria-label={$t('cast')}
+  />
 {/if}