Fixed config bugs

eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/json/EcoJSONConfigWrapper.kt

@@ -83,7 +83,21 @@ open class EcoJSONConfigWrapper : Config {
             section.setRecursively(remainingPath, obj)
         }
 
-        values[path] = if (obj is Config) obj.toMap() else obj
+        values[path] = when (obj) {
+            is Config -> obj.toMap()
+            is Collection<*> -> {
+                val first = obj.firstOrNull()
+                if (first is Config) {
+                    obj as Collection<Config>
+                    obj.map { it.toMap() }
+                } else if (obj.isEmpty()) {
+                    mutableListOf()
+                } else {
+                    obj.toList()
+                }
+            }
+            else -> obj
+        }
     }
 
     override fun getKeys(deep: Boolean): List<String> {

eco-core/core-backend/src/main/kotlin/com/willfp/eco/internal/config/yaml/EcoYamlConfigWrapper.kt

@@ -61,9 +61,9 @@ open class EcoYamlConfigWrapper<T : ConfigurationSection> : Config {
                     obj as Collection<Config>
                     obj.map { it.toBukkit() }
                 } else if (obj.isEmpty()) {
-                    emptyList()
+                    mutableListOf() // Don't use EmptyList, causes anchors as they have the same reference
                 } else {
-                    obj
+                    obj.toList()
                 }
             }
             else -> obj