Update idisplay - pkg / uninstall (#36768)

Casks/idisplay.rb

@@ -7,5 +7,18 @@ cask 'idisplay' do
   name 'iDisplay'
   homepage 'https://getidisplay.com/'
 
-  app 'iDisplay.app'
+  pkg 'iDisplay.pkg'
+
+  uninstall launchctl: 'ag.shape.MSMToolHelper',
+            pkgutil:   [
+                         'ag.shape.iDisplay.pkg',
+                         'ag.shape.MSM*.pkg',
+                       ],
+            signal:    ['TERM', 'com.shapeservices.idisplay-host-full']
+
+  zap trash: '~/Library/Preferences/com.shapeservices.idisplay-host-full.plist'
+
+  caveats do
+    reboot
+  end
 end