feat: translate EmbedModal #345 (#455)

### What problem does this PR solve?

Embed the chat window into other websites through iframe

#345 

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/less/mixins.less

@@ -33,3 +33,12 @@
 .pointerCursor() {
   cursor: pointer;
 }
+
+.clearCardBody() {
+  :global {
+    .ant-card-body {
+      padding: 0;
+      margin: 0;
+    }
+  }
+}