ios: Fixes for add media view

- Adds paste button
- Fix autofocus behavior (using UIKit)
- Remove pointless sheet detents

ios/QueueCube.xcodeproj/project.pbxproj

@@ -14,6 +14,7 @@
 		CD8ACBBF2DC5B8F2008BF856 /* Exceptions for "QueueCube" folder in "QueueCube" target */ = {
 			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
 			membershipExceptions = (
+				App/Entitlements.plist,
 				App/Info.plist,
 			);
 			target = CD4E9B962D7691C20066FC17 /* QueueCube */;