[mirotalksfu] - improve file transfer UI

public/view/Room.html

@@ -256,6 +256,7 @@ access to use this app.
         <div id="remoteAudios"></div>
 
         <div id="sendFileDiv" class="fadein center">
+            <img id="imgShareSend" src="../images/share.png" alt="mirotalksfu-share-send" class="center-img" /><br />
             <div id="sendFileInfo"></div>
             <div id="sendFilePercentage"></div>
             <progress id="sendProgress" max="0" value="0"></progress>
@@ -263,6 +264,12 @@ access to use this app.
         </div>
 
         <div id="receiveFileDiv" class="fadein center">
+            <img
+                id="imgShareReceive"
+                src="../images/share.png"
+                alt="mirotalksfu-share-receive"
+                class="center-img"
+            /><br />
             <div id="receiveFileInfo"></div>
             <div id="receiveFilePercentage"></div>
             <progress id="receiveProgress" max="0" value="0"></progress>