Sticker Backup: Can we add a feature to backup stickers along with chats. Currently we can backup chats.

[ankit-gautam23]

Specifications
OS Version: [FILL IN]
Device Manufacturer: [FILL IN]

Stickers

• My stickers do comply with the sticker requirements (512x512 and < 100 KB)
• My tray icon does comply with the requirements (96x96 and < 50 KB)
• I am using WebP images for stickers.
• I am using PNG images for stickers.

Problem Description
[FILL IN WITH DETAILED DESCRIPTION OF THE PROBLEM]

Reproduction Steps
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Head of Commit
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Links
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