fix(tabs): give version history tabs a symbol in the recent tabs list (#3093)

Author: datlechin

TablePro/Core/Services/Infrastructure/MainSplitViewController+RecentTabs.swift

@@ -198,6 +198,8 @@ internal extension MainSplitViewController {
             return "chart.bar"
         case .objectSource:
             return "curlybraces.square"
+        case .versionHistory:
+            return "clock.arrow.circlepath"
         }
     }
 }