feat: Show shared contact's name in Telegram channel (#10856)

# Pull Request Template

## Description

This PR adds the ability to see the shared contact name in Telegram
channels.

## Type of change

- [x] New feature (non-breaking change which adds functionality)

## How Has This Been Tested?

**Loom video**

https://www.loom.com/share/cd318056ad4d44d4a1fc4b5d4ad38d60?sid=26d833ae-ded9-4cf0-9af7-81eecfa37f19


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>

db/migrate/20250207040150_add_meta_to_attachment.rb

@@ -0,0 +1,5 @@
+class AddMetaToAttachment < ActiveRecord::Migration[7.0]
+  def change
+    add_column :attachments, :meta, :jsonb, default: {}
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2025_01_16_061033) do
+ActiveRecord::Schema[7.0].define(version: 2025_02_07_040150) do
   # These extensions should be enabled to support this database
   enable_extension "pg_stat_statements"
   enable_extension "pg_trgm"
@@ -174,6 +174,7 @@ ActiveRecord::Schema[7.0].define(version: 2025_01_16_061033) do
     t.datetime "updated_at", precision: nil, null: false
     t.string "fallback_title"
     t.string "extension"
+    t.jsonb "meta", default: {}
     t.index ["account_id"], name: "index_attachments_on_account_id"
     t.index ["message_id"], name: "index_attachments_on_message_id"
   end