Solve the bug that ext tab refreshes ifram2 page from ifram1 and ext control width decreases.

My projects use the ext layout, and then the tab Control for loading the IFRAME page is in the middle.

So when we edit a piece of data to open an edited tab page, We need to update the data on the list page when saving it. However, if we use js to refresh the page directly, the ext control of the time will become shorter, because ext calculates the page width during initialization, but the list page is hidden when we edit the page, the calculated width is incorrect.

Therefore, we add the event listening tab switch to the outermost page. When editing the page, we first record the page to be updated with the JS variable, and then refresh the page when the page is active.