Improve Server Connection Speed

[WaitingIdly]

changes in this PR:

• speeds up pinging servers without a hostname by a second or so (default: true)
• logic based on a mod for 1.14.4-1.20.* to 1.12.2.

backports code based on the logic introduced in fast-ip-ping, licensed LGPL v3.0:
https://github.com/Fallen-Breath/fast-ip-ping/tree/master

[what-the-diff]

PR Summary

• Enhancement of Server Connection Speed

  • A new option has been introduced in the configuration file dedicated to the enhancement of the server's connection speed. This enables faster interaction with the server, thereby improving user experience.

• Addition of New Files

  • UTConnectionPatch.java, UTGuiConnectingMixin.java, UTRealmsConnectMixin.java, UTServerPingerMixin.java, and mixins.tweaks.performance.connectionspeed.json are new files that have been added. These are designed to assist in improving server connection speed, further stabilizing the system, and ensuring more fluid and effective performance.