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

AltStore/Managing Apps/AppManager.swift

@@ -1140,6 +1140,11 @@ private extension AppManager
                 {
                     throw error
                 }
+
+                guard case .install = appOperation else {
+                    operation.finish()
+                    return
+                }
                 
                 guard let extensions = context.app?.appExtensions else { throw OperationError.invalidParameters }