fix: Bug - Attachments gets syncronized corrupt

toju-app/src/app/domains/attachment/application/services/attachment-runtime.store.ts

@@ -10,7 +10,7 @@ export class AttachmentRuntimeStore {
   private originalFiles = new Map<string, File>();
   private cancelledTransfers = new Set<string>();
   private pendingRequests = new Map<string, Set<string>>();
-  private chunkBuffers = new Map<string, ArrayBuffer[]>();
+  private chunkBuffers = new Map<string, (ArrayBuffer | undefined)[]>();
   private chunkCounts = new Map<string, number>();
 
   touch(): void {
@@ -84,6 +84,10 @@ export class AttachmentRuntimeStore {
     return this.cancelledTransfers.has(key);
   }
 
+  deleteCancelledTransfer(key: string): void {
+    this.cancelledTransfers.delete(key);
+  }
+
   setPendingRequestPeers(key: string, peers: Set<string>): void {
     this.pendingRequests.set(key, peers);
   }
@@ -100,11 +104,11 @@ export class AttachmentRuntimeStore {
     this.pendingRequests.delete(key);
   }
 
-  setChunkBuffer(key: string, buffer: ArrayBuffer[]): void {
+  setChunkBuffer(key: string, buffer: (ArrayBuffer | undefined)[]): void {
     this.chunkBuffers.set(key, buffer);
   }
 
-  getChunkBuffer(key: string): ArrayBuffer[] | undefined {
+  getChunkBuffer(key: string): (ArrayBuffer | undefined)[] | undefined {
     return this.chunkBuffers.get(key);
   }