[backport core/1.43] fix: use standard size-4 for blueprint action icons (#11157)

Backport of #10992 to `core/1.43`

Automatically created by backport workflow.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-11157-backport-core-1-43-fix-use-standard-size-4-for-blueprint-action-icons-33f6d73d36508151bf9fffc00eb02150)
by [Unito](https://www.unito.io)

Co-authored-by: Christian Byrne <cbyrne@comfy.org>

src/components/sidebar/tabs/nodeLibrary/NodeTreeLeaf.vue

@@ -25,7 +25,7 @@
           :aria-label="$t('g.delete')"
           @click.stop="deleteBlueprint"
         >
-          <i class="icon-[lucide--trash-2] size-3.5" />
+          <i class="icon-[lucide--trash-2] size-4" />
         </Button>
         <Button
           variant="muted-textonly"
@@ -33,7 +33,7 @@
           :aria-label="$t('g.edit')"
           @click.stop="editBlueprint"
         >
-          <i class="icon-[lucide--square-pen] size-3.5" />
+          <i class="icon-[lucide--square-pen] size-4" />
         </Button>
       </template>
       <template v-else #actions>