Update localization in action classes

Refactor `Label` and `Description` properties in
InstallCertificateAction, InstallFontAction,
InstallInfDriverAction, and LaunchPreviewPopupAction
to utilize a new `Strings` resource for improved
maintainability and consistency in localization.

Author: mrashutoshnigam

src/Files.App/Actions/Content/Install/InstallCertificateAction.cs

@@ -10,10 +10,10 @@ internal sealed partial class InstallCertificateAction : ObservableObject, IActi
 		private readonly IContentPageContext context;
 
 		public string Label
-			=> "Install".GetLocalizedResource();
+			=> Strings.Install.GetLocalizedResource();
 
 		public string Description
-			=> "InstallCertificateDescription".GetLocalizedResource();
+			=> Strings.InstallCertificateDescription.GetLocalizedResource();
 
 		public RichGlyph Glyph
 			=> new("\uEB95");

src/Files.App/Actions/Content/Install/InstallFontAction.cs

@@ -10,10 +10,10 @@ internal sealed partial class InstallFontAction : ObservableObject, IAction
 		private readonly IContentPageContext context;
 
 		public string Label
-			=> "Install".GetLocalizedResource();
+			=> Strings.Install.GetLocalizedResource();
 
 		public string Description
-			=> "InstallFontDescription".GetLocalizedResource();
+			=> Strings.InstallFontDescription.GetLocalizedResource();
 
 		public RichGlyph Glyph
 			=> new("\uE8D2");

src/Files.App/Actions/Content/Install/InstallInfDriverAction.cs

@@ -10,10 +10,10 @@ internal sealed partial class InstallInfDriverAction : ObservableObject, IAction
 		private readonly IContentPageContext context;
 
 		public string Label
-			=> "Install".GetLocalizedResource();
+			=> Strings.Install.GetLocalizedResource();
 
 		public string Description
-			=> "InstallInfDriverDescription".GetLocalizedResource();
+			=> Strings.InstallInfDriverDescription.GetLocalizedResource();
 
 		public RichGlyph Glyph
 			=> new("\uE9F5");

src/Files.App/Actions/Content/PreviewPopup/LaunchPreviewPopupAction.cs

@@ -10,10 +10,10 @@ internal sealed partial class LaunchPreviewPopupAction : ObservableObject, IActi
 		private readonly IPreviewPopupService previewPopupService;
 
 		public string Label
-			=> "LaunchPreviewPopup".GetLocalizedResource();
+			=> Strings.LaunchPreviewPopup.GetLocalizedResource();
 
 		public string Description
-			=> "LaunchPreviewPopupDescription".GetLocalizedResource();
+			=> Strings.LaunchPreviewPopupDescription.GetLocalizedResource();
 
 		public HotKey HotKey
 			=> new(Keys.Space);