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/modals/AlbumUsersModal.svelte

@@ -126,7 +126,7 @@
               {/if}
             </div>
             {#if isOwned}
-              <ButtonContextMenu icon={mdiDotsVertical} size="20" title={$t('options')}>
+              <ButtonContextMenu icon={mdiDotsVertical} size="medium" title={$t('options')}>
                 {#if role === AlbumUserRole.Viewer}
                   <MenuOption onClick={() => handleSetReadonly(user, AlbumUserRole.Editor)} text={$t('allow_edits')} />
                 {:else}