File Extension Incorrectly Shown as .jpg During MP4 Upload

[Furret162]

Description:

When uploading an MP4 file to a channel, the file name displayed on the progress bar for the upload process shows the file extension as .jpg.

Environment Information:

• Rocket.Chat Server Version:7.3.0 (https://open.rocket.chat/)
• Rocket.Chat App Version:4.56.0
• Device Name: SH-53A
• OS Version: Android11

Steps to reproduce:

Upload an MP4 file.

screen-20250122-132416.2.mp4

Expected behavior:

The file name should be displayed with the .mp4 extension.

Actual behavior:

The file name is displayed with the .jpg extension.

Additional context:

When setting the name of the file to be uploaded, there is a part where it is hardcoded as .jpg.
https://github.com/RocketChat/Rocket.Chat.ReactNative/blob/develop/app/views/ShareView/index.tsx