Feature: Updated more icons (#12906)

Author: yaira2

src/Files.App/Actions/Navigation/OpenNewPaneAction.cs

@@ -20,7 +20,7 @@ public HotKey SecondHotKey
 			=> new(Keys.Add, KeyModifiers.MenuShift);
 
 		public RichGlyph Glyph
-			=> new(opacityStyle: "ColorIconRightPane");
+			=> new(opacityStyle: "ColorIconOpenNewPane");
 
 		public bool IsExecutable => 
 			context.IsMultiPaneEnabled &&

src/Files.App/Actions/Show/TogglePreviewPaneAction.cs

@@ -14,7 +14,7 @@ public string Description
 			=> "TogglePreviewPaneDescription".GetLocalizedResource();
 
 		public RichGlyph Glyph
-			=> new(opacityStyle: "ColorIconLeftPane");
+			=> new(opacityStyle: "ColorIconRightPane");
 
 		public HotKey HotKey
 			=> new(Keys.P, KeyModifiers.Ctrl);