chore(round)!: Change Round.IgnoredPlayers to use Player

[Unbistrackted]

Description

Describe the changes

What is the current behavior? (You can also link to an open issue here)
Round.IgnoredPlayers using Player

What is the new behavior? (if this is a feature change)

Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
Round.IgnoredPlayers hashset will be using Player instead of ReferenceHub

Other information:
Wanted to do this cause it's simple copy and paste in the IL side

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentations

Submission checklist

• I have checked the project can be compiled
• I have tested my changes and it worked as expected

Patches (if there are any changes related to Harmony patches)

• I have checked no IL patching errors in the console

Other

• Still requires more testing

[Unbistrackted]

The only thing I'm curious is to why IgnoredPlayers has only a size of 20, I didn't changed since there might be a reason to it