Upgrade: Tailwind v4 (#5246)

* temp: move tailwind calls out of the layer

* temp: ts tailwind config

* upgrade: Tailwind v4
This got a little out of hand.
Had to add a relative reference to the stylesheet in any component that uses @apply instead of the utility classes directly.

* upgrade: bg-opacity is now a modifier

* fix: Classic menu buttons assume a border

* Update test expectations [skip ci]

* fix: New preflight removal pattern

* fix: Skeletons don't have skin

* Update test expectations [skip ci]

* fix: Missing @reference

* [auto-fix] Apply ESLint and Prettier fixes

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src/components/node/NodePreview.vue

@@ -6,7 +6,7 @@ https://github.com/Nuked88/ComfyUI-N-Sidebar/blob/7ae7da4a9761009fb6629bc04c6830
   <div class="_sb_node_preview">
     <div class="_sb_table">
       <div
-        class="node_header overflow-ellipsis mr-4"
+        class="node_header text-ellipsis mr-4"
         :title="nodeDef.display_name"
         :style="{
           backgroundColor: litegraphColors.NODE_DEFAULT_COLOR,