Add removeInvitation to the invitation screen

src/services/invitation.ts

@@ -46,6 +46,7 @@ export type { ResolvedInvitationData } from "../utils/resolve-invitation-data.js
 export type InvitationEventMap = {
   "invitation-updated": XOInvitation;
   "invitation-status-changed": string;
+  "invitation-removed": void;
   error: Error;
 };
 
@@ -889,4 +890,21 @@ export class Invitation extends EventEmitter<InvitationEventMap> {
 
     return totalSats;
   }
+
+  /**
+   * Removes the invitation from the Local SQLite db as well as the Engine's internal DB
+   * NOTE: This uses methods that are marked "DANGEROUSLY" inside the engine and behaviour may change
+   */ 
+  public async delete() {
+    // Remove the invitation from our local db
+    this.storage.remove(this.data.invitationIdentifier);
+
+    // Remove the invitation from the engine's internal db
+    await this.engine.DANGEROUS_deleteStoredInvitation(this.data.invitationIdentifier);
+
+    this.emit("invitation-removed", this.data.invitationIdentifier);
+
+    // Update the status of the invitation
+    await this.updateStatus();
+  }
 }