PWAs should not show up when searching for the main app (#4221)

* Search shows up steam games

* Formatting

* Filtering only those steam shortcuts which run an application

* Using equals instead of ==

* PWAs should not show up when searching for the main app

* Modified the subtitle to say progressive web application

* renamed to web application

* To search for web applications for all chromium based browsers

* Renamed it to WebApplication

* Added unit tests and refactored code

* made string global const

* Added localization tags

* Added a separate function for localization as the IPublic API was not available to all

* Removed unnecessary references and variables

* Update src/modules/launcher/Plugins/Microsoft.Plugin.Program/Languages/de.xaml

Co-authored-by: htcfreek <61519853+htcfreek@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: htcfreek <61519853+htcfreek@users.noreply.github.com>

* Added enum for application types

Co-authored-by: htcfreek <61519853+htcfreek@users.noreply.github.com>

src/modules/launcher/Plugins/Microsoft.Plugin.Program/Programs/ShellLinkHelper.cs

@@ -103,6 +103,7 @@ namespace Microsoft.Plugin.Program.Programs
         public String description = String.Empty;
 
         // Sets to true if the program takes in arguments
+        public String Arguments = String.Empty;
         public bool hasArguments = false;
 
         // Retrieve the target path using Shell Link
@@ -130,6 +131,7 @@ namespace Microsoft.Plugin.Program.Programs
 
                 StringBuilder argumentBuffer = new StringBuilder(MAX_PATH);
                 ((IShellLinkW)link).GetArguments(argumentBuffer, argumentBuffer.Capacity);
+                Arguments = argumentBuffer.ToString();
 
                 // Set variable to true if the program takes in any arguments
                 if (argumentBuffer.Length != 0)