Update InventoryGUI to version 1.1.5-SNAPSHOT and refine Nicknames GUI handling logic.

galaxy/build.gradle.kts

@@ -14,7 +14,7 @@ dependencies {
     compileOnly("com.gitlab.ruany:LiteBansAPI:0.6.1") // move to proxy
     compileOnly("org.apache.commons:commons-lang3:3.17.0") // needs an alternative, already removed from upstream api and will be removed in server
     compileOnly("net.luckperms:api:5.5") // Luckperms
-    implementation("com.alttd.inventory_gui:InventoryGUI:1.1.3-SNAPSHOT")
+    implementation("com.alttd.inventory_gui:InventoryGUI:1.1.5-SNAPSHOT")
 }
 
 tasks {