More webapp changes+fixes

webapp/src/app/core/models/message.model.ts

@@ -23,6 +23,7 @@ export interface MessageListParams {
   search?: string;
   sender?: string[];
   subscription_status?: 'all' | 'confirmed' | 'unconfirmed';
+  used_key?: string;
   trimmed?: boolean;
   page_size?: number;
   next_page_token?: string;

webapp/src/app/core/services/api.service.ts

@@ -153,6 +153,7 @@ export class ApiService {
         }
       }
       if (params.subscription_status) httpParams = httpParams.set('subscription_status', params.subscription_status);
+      if (params.used_key) httpParams = httpParams.set('used_key', params.used_key);
       if (params.trimmed !== undefined) httpParams = httpParams.set('trimmed', params.trimmed);
       if (params.page_size) httpParams = httpParams.set('page_size', params.page_size);
       if (params.next_page_token) httpParams = httpParams.set('next_page_token', params.next_page_token);