MM-9922 Fixed CSS transition when mousing onto internal link

src/browser/components/MainPage.jsx

@@ -317,6 +317,7 @@ const MainPage = createReactClass({
       authServerURL = `${tmpURL.protocol}//${tmpURL.host}`;
       authInfo = this.state.loginQueue[0].authInfo;
     }
+    var currentTeamURL = this.props.teams[this.state.key].url;
     var modal = (
       <NewTeamModal
         show={this.state.showNewTeamModal}
@@ -364,7 +365,7 @@ const MainPage = createReactClass({
           { viewsRow }
         </Grid>
         <TransitionGroup>
-          { (this.state.targetURL === '') ?
+          { (this.state.targetURL === '' || this.state.targetURL.startsWith(currentTeamURL)) ?
             null :
             <CSSTransition
               classNames='hovering'
@@ -372,7 +373,6 @@ const MainPage = createReactClass({
             >
               <HoveringURL
                 key='hoveringURL'
-                currentTeamURL={this.props.teams[this.state.key].url}
                 targetURL={this.state.targetURL}
               />
             </CSSTransition>