代码清理与修复 UI 卡顿资源占用过高的问题 (#1849)

* Lazy initialization of Swing

* Load ISRG Root X1 certificate only on Java 8

* Replace JOptionPane with JavaFX Alert

* Avoid using java.awt.Desktop

* Rewrite TexturesLoader

* Optimization SelfDependencyPatcher

* fix typo

* close #968: Use computeIfAbsent to ensure thread safety

* Optimization GameVersion::minecraftVersion

* code cleanup

* Set the initial capacity of readFullyWithoutClosing

* code cleanup

* Mark inner classes as static if possible

* Cache version icon

* Code cleanup

* Fix ListView scrolling performance issues

* DatapackListPage::items

* Replace OutputStream with FileChannel::write

.gitignore

@@ -12,6 +12,7 @@ hs_err_pid*
 .mine*
 /externalgames
 NVIDIA
+minecraft-exported-crash-info*
 
 # gradle build
 /build/