Fix flickering issues due to reconnecting loop

lib/models/task.dart

@@ -59,6 +59,59 @@ class Task {
   final String? cancellationReason;
   final DateTime? cancelledAt;
 
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is Task &&
+          runtimeType == other.runtimeType &&
+          id == other.id &&
+          ticketId == other.ticketId &&
+          taskNumber == other.taskNumber &&
+          title == other.title &&
+          description == other.description &&
+          officeId == other.officeId &&
+          status == other.status &&
+          priority == other.priority &&
+          queueOrder == other.queueOrder &&
+          createdAt == other.createdAt &&
+          creatorId == other.creatorId &&
+          startedAt == other.startedAt &&
+          completedAt == other.completedAt &&
+          requestedBy == other.requestedBy &&
+          notedBy == other.notedBy &&
+          receivedBy == other.receivedBy &&
+          requestType == other.requestType &&
+          requestTypeOther == other.requestTypeOther &&
+          requestCategory == other.requestCategory &&
+          actionTaken == other.actionTaken &&
+          cancellationReason == other.cancellationReason &&
+          cancelledAt == other.cancelledAt;
+
+  @override
+  int get hashCode => Object.hash(
+    id,
+    ticketId,
+    taskNumber,
+    title,
+    description,
+    officeId,
+    status,
+    priority,
+    queueOrder,
+    createdAt,
+    creatorId,
+    startedAt,
+    completedAt,
+    requestedBy,
+    notedBy,
+    receivedBy,
+    requestType,
+    requestTypeOther,
+    requestCategory,
+    // Object.hash supports max 20 positional args; combine remainder.
+    Object.hash(actionTaken, cancellationReason, cancelledAt),
+  );
+
   /// Helper that indicates whether a completed task still has missing
   /// metadata such as signatories or action details.  The parameter is used
   /// by UI to surface a warning icon/banner when a task has been closed but