[MC-267918] The game crashes when opening the configure realms menu

The Bug:

The game crashes when opening the configure realms menu.

A crash report regarding this has been attached and can be found below.

Stack Trace:

crash-2024-01-17_15.45.05-client.txt

Description: Unexpected error

java.lang.NullPointerException: Cannot invoke "String.isEmpty()" because "$$0" is null
    at wx.a(SourceFile:54)
    at vq.b(SourceFile:222)
    at we.f(SourceFile:53)
    at euj.a(SourceFile:108)
    at euj.a(SourceFile:92)
    at euq.b(SourceFile:232)
    at bkk.d(SourceFile:156)
    at bko.d(SourceFile:23)
    at bkk.x(SourceFile:130)
    at bkk.bv(SourceFile:115)
    at exh.d(SourceFile:1285)
    at exh.f(SourceFile:889)
    at net.minecraft.client.main.Main.main(SourceFile:265)

Steps to Reproduce:

Launch an instance of 24w03a.
Navigate to the realms menu, select any realm, and click the "Configure" button.

Observed Behavior:

The game crashes.

Expected Behavior:

The game would not crash.