[call-me] - improve leave logic

public/client.js

@@ -696,7 +696,7 @@ function checkVideoAudioStatus() {
 // Handle hang-up button click
 function handleHangUpClick() {
     sendMsg({ type: 'leave', name: socket.recipient });
-    handleLeave();
+    thisConnection ? handleLeave(false) : handleLeave(true);
 }
 
 // Handle leaving the call

public/index.html

@@ -233,16 +233,6 @@
                     >
                         <i class="fas fa-microphone"></i>
                     </button>
-                    <!-- Toggle user sidebar button -->
-                    <button
-                        id="sidebarBtn"
-                        class="btn btn-custom btn-primary btn-m"
-                        data-toggle="tooltip"
-                        data-placement="top"
-                        title="Toggle users"
-                    >
-                        <i class="fas fa-users"></i>
-                    </button>
                     <!-- Button to hang up the call -->
                     <button
                         id="hangUpBtn"
@@ -253,6 +243,16 @@
                     >
                         <i class="fas fa-phone-slash"></i>
                     </button>
+                    <!-- Toggle user sidebar button -->
+                    <button
+                        id="sidebarBtn"
+                        class="btn btn-custom btn-primary btn-m"
+                        data-toggle="tooltip"
+                        data-placement="top"
+                        title="Toggle users"
+                    >
+                        <i class="fas fa-users"></i>
+                    </button>
                 </div>
             </div>
         </div>