Make app extension popup less annoying by not showing when refreshing (it doesn't do anything anyway)

AltStore/Managing Apps/AppManager.swift

@@ -1141,6 +1141,11 @@ private extension AppManager
                     throw error
                 }
 
+                guard case .install = appOperation else {
+                    operation.finish()
+                    return
+                }
+                
                 guard let extensions = context.app?.appExtensions else { throw OperationError.invalidParameters }
                 
                 guard let app = context.app, let presentingViewController = context.authenticatedContext.presentingViewController else { throw OperationError.invalidParameters }