Identify multiplayer servers by domain only

[Nippaku-Zanmu]

Context

• SeedMapper version: 2.19.1
• Java version: JDK23 Oracle 64 Bit
• Operating system: Windows11
• System architecture: x64

Describe the bug
When the IP address of the server domain changes, multiple saved seeds may appear.

To Reproduce
Use normally /cconfig seedmapper SavedSeeds add
After adding a seed, exit the server
Enable the virtual network adapter proxy mode of the proxy software and then enter the server
After attempting /sm:locate, you find that the saved seeds are invalid
Adding them again will result in duplicates

Expected behavior
After changing the server's domain name resolution IP / enabling proxy software, it can normally read the saved seeds.

othersUsing a domain + IP as a key to store seeds easily causes duplicates. In almost all cases, a domain corresponds to only one seed.

[xpple]

I'll change this from a bug to a feature request.