Fix: Fixed issue where tab icons and labels are sometimes not displayed at app launch (#13849)

Author: hishitetsu

src/Files.App/Data/EventArguments/PaneNavigationArguments.cs

@@ -12,5 +12,24 @@ internal class PaneNavigationArguments
 		public string? RightPaneNavPathParam { get; set; }
 
 		public string? RightPaneSelectItemParam { get; set; }
+
+		public static bool operator ==(PaneNavigationArguments? a1, PaneNavigationArguments? a2)
+		{
+			if (a1 is null && a2 is null)
+				return true;
+
+			if (a1 is null || a2 is null)
+				return false;
+
+			return a1.LeftPaneNavPathParam == a2.LeftPaneNavPathParam &&
+				a1.LeftPaneSelectItemParam == a2.LeftPaneSelectItemParam &&
+				a1.RightPaneNavPathParam == a2.RightPaneNavPathParam &&
+				a1.RightPaneSelectItemParam == a2.RightPaneSelectItemParam;
+		}
+
+		public static bool operator !=(PaneNavigationArguments? a1, PaneNavigationArguments? a2)
+		{
+			return !(a1 == a2);
+		}
 	}
 }

src/Files.App/ViewModels/MainPageViewModel.cs

@@ -187,7 +187,9 @@ public async Task UpdateTabInfoAsync(Files.App.UserControls.TabBar.TabBarItem ta
 			}
 
 			// Don't update tabItem if the contents of the tab have already changed
-			if (result.Item1 is not null && navigationArg == tabItem.NavigationParameter.NavigationParameter)
+			if (result.Item1 is not null && 
+				(navigationArg is PaneNavigationArguments && navigationArg as PaneNavigationArguments == tabItem.NavigationParameter.NavigationParameter as PaneNavigationArguments
+				|| navigationArg is string && navigationArg as string == tabItem.NavigationParameter.NavigationParameter as string))
 				(tabItem.Header, tabItem.IconSource, tabItem.ToolTipText) = result;
 		}