Fixed some E2E tests that broke on v5.2 (#2453)

* Fixing some E2E tests

* Fixed a couple flaky ones

* Fixed some issues on Windows

src/renderer/components/MainPage.tsx

@@ -77,12 +77,14 @@ type TabViewStatus = {
 }
 
 class MainPage extends React.PureComponent<Props, State> {
+    threeDotMenu: React.RefObject<HTMLButtonElement>;
     topBar: React.RefObject<HTMLDivElement>;
 
     constructor(props: Props) {
         super(props);
 
         this.topBar = React.createRef();
+        this.threeDotMenu = React.createRef();
 
         const firstServer = this.props.teams.find((team) => team.order === this.props.lastActiveTeam) || this.props.teams.find((team) => team.order === 0);
         let firstTab = firstServer?.tabs.find((tab) => tab.order === firstServer.lastActiveTab) || firstServer?.tabs.find((tab) => tab.order === 0);
@@ -355,12 +357,14 @@ class MainPage extends React.PureComponent<Props, State> {
     }
 
     focusThreeDotsButton = () => {
+        this.threeDotMenu.current?.focus();
         this.setState({
             threeDotsIsFocused: true,
         });
     }
 
     unFocusThreeDotsButton = () => {
+        this.threeDotMenu.current?.blur();
         this.setState({
             threeDotsIsFocused: false,
         });
@@ -487,6 +491,7 @@ class MainPage extends React.PureComponent<Props, State> {
                         </div>
                     )}
                     <button
+                        ref={this.threeDotMenu}
                         className='three-dot-menu'
                         onClick={this.openMenu}
                         onMouseOver={this.focusThreeDotsButton}