[BUG] screen sharing stops working after multiple on offs

[eldarovich99]

Describe the bug
After multiple on-offs screen sharing stops working.
ScreenShareOutgoingVideoStream.getFormat returns null so screen sharing stops working.

Exception or Stack Trace

To Reproduce
Steps to reproduce the behavior:

1. Turn on screen sharing
2. Turn off screen sharing
3. Repeat previous steps 3-5 times

Expected behavior
ScreenShareOutgoingVideoStream.getFormat should not return null so screen sharing should be working.

Setup (please complete the following information):

• OS: Android 14
• IDE : Android Studio Hedgehog
• 2.6.0-beta.6

Information Checklist
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[yassirbisteni]

Thanks for contacting us, that is an expected behaviour, if the screen share is stopped or not running the videoformat will be null, our API's does not say it will return NULL and we would like to change that signature for the method but right now we can not, but keep in mind you should check if video format is not null before using it