Add Right-Click Action on App Install Page (#3367)

* Add right click context menu for app entries with install, uninstall, and info options

* Add hand cursor on mouse over for button in inputXML.xaml

functions/private/Initalize-InstallAppEntry.ps1

@@ -18,7 +18,7 @@ function Initialize-InstallAppEntry {
         $border.Style = $sync.Form.Resources.AppEntryBorderStyle
         $border.Tag = $appKey
         $border.ToolTip = $Apps.$appKey.description
-        $border.Add_MouseUp({
+        $border.Add_MouseLeftButtonUp({
             $childCheckbox = ($this.Child | Where-Object {$_.Template.TargetType -eq [System.Windows.Controls.Checkbox]})[0]
             $childCheckBox.isChecked = -not $childCheckbox.IsChecked
         })
@@ -32,6 +32,13 @@ function Initialize-InstallAppEntry {
                 $this.SetResourceReference([Windows.Controls.Control]::BackgroundProperty, "AppInstallUnselectedColor")
             }
         })
+        $border.Add_MouseRightButtonUp({
+            # Store the selected app in a global variable so it can be used in the popup
+            $sync.appPopupSelectedApp = $this.Tag
+            # Set the popup position to the current mouse position
+            $sync.appPopup.PlacementTarget = $this
+            $sync.appPopup.IsOpen = $true
+        })
 
         $checkBox = New-Object Windows.Controls.CheckBox
         $checkBox.Name = $appKey