feat: Delete the file from the upload control of the message input box #1880 (#1946)

### What problem does this PR solve?

feat: Delete the file from the upload control of the message input box
#1880

### Type of change


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

web/src/components/message-item/index.less

@@ -7,7 +7,8 @@
     width: 80%;
   }
   .messageItemSectionRight {
-    width: 80%;
+    // width: 80%;
+    // max-width: 50vw;
   }
   .messageItemContent {
     display: inline-flex;