Add activation url to store

[MAILPOET-3719]

assets/js/src/settings/store/make_default_state.ts

@@ -64,6 +64,7 @@ export default function makeDefaultState(window: any): State {
     inProgress: false,
     congratulatoryMssEmailSentTo: null,
     downloadUrl: window.mailpoet_premium_plugin_download_url,
+    activationUrl: window.mailpoet_premium_plugin_activation_url,
   };
   const testEmail = {
     state: TestEmailState.NONE,

assets/js/src/settings/store/types.ts

@@ -212,6 +212,7 @@ export type KeyActivationState = {
   congratulatoryMssEmailSentTo: string|null;
   code?: number;
   downloadUrl?: string;
+  activationUrl?: string;
 }
 
 export enum TestEmailState {