[Bug] 模型文件夹使用生僻字会闪退

[isHarryh]

例如将模型文件夹内的文件夹名字改为“鸮”时，会发生闪退，错误回显如下：

# A fatal error has been detected by the Java Runtime Environment:
#
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000007608d37d, pid=3156, tid=12660
#
# JRE version: Java(TM) SE Runtime Environment (18.0.2.1+1) (build 18.0.2.1+1-1)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (18.0.2.1+1-1, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, windows-amd64)
# Problematic frame:
# C  [gdx-freetype64.dll+0xd37d]
#
# No core dump will be written. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# E:\Arknights\Ark-Pets\hs_err_pid3156.log
#
# If you would like to submit a bug report, please visit:
#   https://bugreport.java.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.

[isHarryh]

这是与libGDX的字体处理相关的问题，在v2.0版本之后我们使用JavaFX代替libGDX制作启动器UI，从而规避了此问题。
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