Trigger tab preview based on frame key

- Auditors: @bsclifton, @luixxiul
- Close: #7606

app/renderer/reducers/frameReducer.js

@@ -52,10 +52,15 @@ const closeFrame = (state, action) => {
 
   const nextFrame = frameStateUtil.getFrameByIndex(state, index)
 
-  // Copy the hover state if tab closed with mouse as long as we have a next frame
-  // This allow us to have closeTab button visible  for sequential frames closing, until onMouseLeave event happens.
-  if (hoverState && nextFrame) {
-    windowActions.setTabHoverState(nextFrame.get('key'), hoverState)
+  if (nextFrame) {
+    // After closing a tab, preview the next frame
+    // as long as there is one
+    windowActions.setPreviewFrame(nextFrame.get('key'))
+    // Copy the hover state if tab closed with mouse as long as we have a next frame
+    // This allow us to have closeTab button visible  for sequential frames closing, until onMouseLeave event happens.
+    if (hoverState) {
+      windowActions.setTabHoverState(nextFrame.get('key'), hoverState)
+    }
   }
 
   return state