[BUG] message_id does not persist in push notification payload

[mihail-varbanov]

This is a notification, as it comes from api/messages API:

{
	"org_id":"0a2eff20-e2cd-11eb-af68-60f81db5ecc0",
	"app_id":"9766",
	"id":"67c3cf68-aa0a-4c9d-9f37-e655e70b3714",
	"priority":10,
	"subject":"Group - MV Accept All",
	"sender":{
		"type":"system",
		"user":{
			"user_id":"6d925154-ff9a-48ae-998b-30e101ceda1c",
			"name":"groups_bb"
		}
	},
	"body":"Todor Bachvarov posted \"This is a test post.\"",
	"data":{
		"entity_id":"7bb505e1-7b78-4adb-ac03-dcb0753ec27e",
		"entity_name":"MV Accept All",
		"entity_type":"group",
		"message_id":"67c3cf68-aa0a-4c9d-9f37-e655e70b3714",
		"operation":"post_created",
		"post_body":"This is a test post.",
		"post_id":"151ff4d0-ce15-4bc4-bb99-129516072282",
		"post_subject":"Test",
		"type":"group"
	},
	"recipients":null,
	"recipients_criteria_list":[
		
	],
	"recipient_account_criteria":null,
	"topic":"group.posts",
	"calculated_recipients_count":2,
	"date_created":"2024-09-20T08:03:16.799Z",
	"date_updated":null,
	"time":"2024-09-20T08:03:16.753Z",
	"mute":false,
	"read":false
},

This is the push notification payload that comes for the above message:

{
  "entity_id":"7bb505e1-7b78-4adb-ac03-dcb0753ec27e",
  "entity_type":"group",
  "entity_name":"MV Accept All"
  "operation":"post_created",
  "post_body":"This is a test post.",
  "post_id":"151ff4d0-ce15-4bc4-bb99-129516072282",
  "post_subject":"Test",
  "type":"group"
}

Please note that message_id is omitted from the push notification payload. The client app relies on its persistence in order to mark the message as read.

Related ticket: rokwire/illinois-app#4256