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/components/faces-page/people-card.svelte

@@ -65,9 +65,8 @@
     <div class="absolute top-2 end-2 z-1">
       <ButtonContextMenu
         buttonClass="icon-white-drop-shadow focus:opacity-100 {showVerticalDots ? 'opacity-100' : 'opacity-0'}"
-        color="opaque"
-        padding="2"
-        size="20"
+        color="primary"
+        size="medium"
         icon={mdiDotsVertical}
         title={$t('show_person_options')}
       >