Project Expansion key 修复 (#5153)

Project Expansion  key fix

Author: ayuyoiM

projects/1.20/assets/project-expansion/projectexpansion/lang/en_us.json

@@ -552,7 +552,7 @@
 	"text.projectexpansion.nbt_filter.enabled": "NBT Filter Enabled",
 	"text.projectexpansion.failed_to_get_knowledge_provider": "Failed to get knowledge provider for %s.",
 	"text.projectexpansion.learned": "Learned ✓",
-	"text.projectexpansion.notLearned": "Not Learned ✗",
+	"text.projectexpansion.not_learned": "Not Learned ✗",
 	"text.projectexpansion.enabled": "Enabled ✓",
 	"text.projectexpansion.disabled": "Disabled ✗",
 	"text.projectexpansion.alchemical_collection": "Alchemical Collection: %s",

projects/1.20/assets/project-expansion/projectexpansion/lang/zh_cn.json

@@ -552,7 +552,7 @@
 	"text.projectexpansion.nbt_filter.enabled": "已启用NBT过滤器",
 	"text.projectexpansion.failed_to_get_knowledge_provider": "无法获取%s的知识。",
 	"text.projectexpansion.learned": "已学习✓",
-	"text.projectexpansion.notLearned": "未学习✗",
+	"text.projectexpansion.not_learned": "未学习✗",
 	"text.projectexpansion.enabled": "启用✓",
 	"text.projectexpansion.disabled": "禁用✗",
 	"text.projectexpansion.alchemical_collection": "挖掘时转化方块：%s",