scroll to selected item after opening new tab, etc (#2689)

Task/Issue URL: https://app.asana.com/0/414235014887631/1207005077017362/f
Tech Design URL:
CC:

Description:
Make sure tabs collection is in sync with selected tab after opening.

Steps to test this PR:

Open a web page
Long press a link and open in new tab
Ensure omni bar works as expected
Swipe between tabs and check omni bar
Use tab switcher and check omni bar

DuckDuckGo/MainViewController.swift

@@ -888,7 +888,7 @@ class MainViewController: UIViewController {
             refreshTabIcon()
             refreshControls()
             tabsBarController?.refresh(tabsModel: tabManager.model)
-            swipeTabsCoordinator?.refresh(tabsModel: tabManager.model)
+            swipeTabsCoordinator?.refresh(tabsModel: tabManager.model, scrollToSelected: true)
         }
 
         if clearInProgress {