[mirotalksfu] - add share file btn to chat

public/js/Room.js

@@ -108,6 +108,7 @@ function initClient() {
         setTippy('chatSpeechStartButton', 'Start speech recognition', 'top');
         setTippy('chatSpeechStopButton', 'Stop speech recognition', 'top');
         setTippy('chatEmojiButton', 'Emoji', 'top');
+        setTippy('chatShareFileButton', 'Share file', 'top');
         setTippy('chatCleanButton', 'Clean', 'bottom');
         setTippy('chatSaveButton', 'Save', 'bottom');
         setTippy('sessionTime', 'Session time', 'right');
@@ -550,6 +551,7 @@ function roomIsReady() {
     show(chatButton);
     show(chatSendButton);
     show(chatEmojiButton);
+    show(chatShareFileButton);
     if (isWebkitSpeechRecognitionSupported) {
         show(chatSpeechStartButton);
     }
@@ -719,6 +721,9 @@ function handleButtons() {
     chatEmojiButton.onclick = () => {
         rc.toggleChatEmoji();
     };
+    chatShareFileButton.onclick = () => {
+        fileShareButton.click();
+    };
     chatSpeechStartButton.onclick = () => {
         startSpeech(true);
     };

public/view/Room.html

@@ -364,6 +364,9 @@ access to use this app.
                     <button id="chatEmojiButton" class="hidden">
                         <i class="fas fa-smile"></i>
                     </button>
+                    <button id="chatShareFileButton" class="hidden">
+                        <i class="fas fa-file"></i>
+                    </button>
                     <button id="chatSpeechStartButton" class="hidden">
                         <i class="fas fa-microphone-slash"></i>
                     </button>