feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/workflow/fabric-canvas/src/components/topbar/image-upload.module.less

@@ -0,0 +1,27 @@
+.loading-container{
+  :global{
+    .loading {
+      animation: semi-animation-rotate 0.6s linear infinite;
+      animation-fill-mode: forwards;
+    }
+  }
+
+  .hover-hidden{
+    @apply block;
+  }
+
+  .hover-visible{
+    @apply hidden;
+  }
+
+  &:hover{
+    .hover-hidden{
+      @apply hidden;
+    }
+
+    .hover-visible{
+      @apply block;
+    }
+  }
+
+}