Description

This PR improves how we sanitize inputs when entering IP addresses and ports. Our sanitization now prevents all invalid characters when writing in those fields, and deactivates the Join/Host button when the input cannot be parsed into a NetworkEndpoint by UnityTransport.

Issue Number(s)

MTT-5894

Contribution checklist

• [n/a] Tests have been added for boss room and/or utilities pack
• Release notes have been added to the project changelog file and/or package changelog file
• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• JIRA ticket ID is in the PR title or at least one commit message
• Include the ticket ID number within the body message of the PR to create a hyperlink
• [n/a] An Index entry has been added in readme.md if applicable