GH-10617 SyncStore: GetIncomingByChannel to sync (#10633)

* GH-10617 GetIncomingByChannel to sync

* GH-10617 using async calls explicitly

* GH-10617 order of assignment change

* Update store.go

* Update store.go

* Update store.go

* GH-10617 fmt fix

store/storetest/mocks/WebhookStore.go

@@ -108,19 +108,28 @@ func (_m *WebhookStore) GetIncoming(id string, allowFromCache bool) (*model.Inco
 }
 
 // GetIncomingByChannel provides a mock function with given fields: channelId
-func (_m *WebhookStore) GetIncomingByChannel(channelId string) store.StoreChannel {
+func (_m *WebhookStore) GetIncomingByChannel(channelId string) ([]*model.IncomingWebhook, *model.AppError) {
 	ret := _m.Called(channelId)
 
-	var r0 store.StoreChannel
-	if rf, ok := ret.Get(0).(func(string) store.StoreChannel); ok {
+	var r0 []*model.IncomingWebhook
+	if rf, ok := ret.Get(0).(func(string) []*model.IncomingWebhook); ok {
 		r0 = rf(channelId)
 	} else {
 		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(store.StoreChannel)
+			r0 = ret.Get(0).([]*model.IncomingWebhook)
 		}
 	}
 
-	return r0
+	var r1 *model.AppError
+	if rf, ok := ret.Get(1).(func(string) *model.AppError); ok {
+		r1 = rf(channelId)
+	} else {
+		if ret.Get(1) != nil {
+			r1 = ret.Get(1).(*model.AppError)
+		}
+	}
+
+	return r0, r1
 }
 
 // GetIncomingByTeam provides a mock function with given fields: teamId, offset, limit