Tab previews presentation implementation adjusted for the latest Mous…

…eOverView logic (#3260)

Task/Issue URL:
https://app.asana.com/0/1201048563534612/1208269789955149/f

**Description**:
Latest changes in MouseOverView broke the presentation logic of tab
previews. This PR adjusts the logic to fix issues

DuckDuckGo/TabBar/View/TabBarViewItem.swift

@@ -640,9 +640,7 @@ extension TabBarViewItem: NSMenuDelegate {
 extension TabBarViewItem: MouseClickViewDelegate {
 
  func mouseOverView(_ mouseOverView: MouseOverView, isMouseOver: Bool) {
- if self.isMouseOver != isMouseOver {
- delegate?.tabBarViewItem(self, isMouseOver: isMouseOver)
- }
+ delegate?.tabBarViewItem(self, isMouseOver: isMouseOver)
  self.isMouseOver = isMouseOver
  view.needsLayout = true
  }