Fix bug with resizing when using shortcut for switching btw videos

css/_videolayout_default.scss

 .videocontainer {
     position: relative;
     text-align: center;
+
+    &__wrapper {
+        @include topLeft();
+        width: 100%;
+        height: 100%;
+        background-color: black;
+    }
 }
 
 #remoteVideos .videocontainer {
     display: none;
     position: relative;
-    background-color: black;
     background-size: contain;
+    border: 2px solid transparent;
     border-radius:1px;
     margin: 0 $thumbnailVideoMargin;
 }
 #remoteVideos .videocontainer.videoContainerFocused,
 #remoteVideos .videocontainer:hover {
     cursor: hand;
-    margin-right: $thumbnailVideoMargin - 2;
-    margin-left: $thumbnailVideoMargin - 2;
-    margin-top: -2px;
 }
 /**
  * Focused video thumbnail.

index.html

 
             <div id="remoteVideos">
                 <span id="localVideoContainer" class="videocontainer videocontainer_small">
+                    <div class="videocontainer__wrapper"></div>
                     <span id="localVideoWrapper">
                         <!--<video id="localVideo" autoplay muted></video> - is now per stream generated -->
                     </span>

modules/UI/UI.js

 };
 
 UI.clickOnVideo = function (videoNumber) {
-    let videos = $(".videocontainer:not(#mixedstream)").toArray();
+    let videos = $("#remoteVideos .videocontainer:not(#mixedstream)").toArray();
 
-    // Remove large video container if matched and reverse order of
-    // remote video containers
-    let videosMap = videos.filter(el => el.id !== 'largeVideoContainer')
-          .reduce((videoObj, video) => {
+    // Separate remotes from local videocontainer and reverse order of
+    // remote ones
+    let videosMap = videos.reduce((videoObj, video) => {
               if(video.id === 'localVideoContainer') {
                   videoObj.local = video;
               } else {

modules/UI/videolayout/RemoteVideo.js

     container.id = spanId;
     container.className = 'videocontainer';
 
+    let wrapper = document.createElement('div');
+    wrapper.className = 'videocontainer__wrapper';
+    container.appendChild(wrapper);
+
     let indicatorBar = document.createElement('div');
     indicatorBar.className = "videocontainer__toptoolbar";
     container.appendChild(indicatorBar);