Upgrade fluentui/react to 8.122.9 and fix VideoOff2 icon

[sharifrahaman]

Purpose

• Upgrade fluentui/react from 7.158.1 to 8.122.9
• Fix VideoOff2 icon by registering SVG VideoOff2Icon as VideoOff2

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

What to Check

Other Information