message: refactoring(timeline): use the same convention for nullable parameters
diff: @@ -156,7 +156,7 @@ export class TimelineItem implements ITimelineItem {
  data.offerRef || null,
  data.requestRef,
  User.factory(data.actorSnapshot),
  - data.offerSnapshot && Offer.factory(data.offerSnapshot) || null,
  + data.offerSnapshot ? Offer.factory(data.offerSnapshot) : null,
  Request.factory(data.requestSnapshot),
  data.action,
  data.createdAt || Timestamp.now(),
  @@ -169,7 +169,7 @@ export class TimelineItem implements ITimelineItem {
  offerRef: this.offerRef,
  requestRef: this.requestRef,
  actorSnapshot: this.actorSnapshot,
  - offerSnapshot: this.offerSnapshot && this.offerSnapshot.toObject(),
  + offerSnapshot: this.offerSnapshot ? this.offerSnapshot.toObject() : null,
  requestSnapshot: this.requestSnapshot.toObject(),
  action: this.action,
  createdAt: this.createdAt,
  