Fix falling empty maps back to their schema's default values

api/src/main/kotlin/io/smnp/util/config/ConfigMap.kt

@@ -17,8 +17,4 @@ class ConfigMap(private val map: Map<Value, Value>) {
    fun containsKey(key: String): Boolean {
       return raw.containsKey(key)
    }
-
-   companion object {
-      val EMPTY = ConfigMap(emptyMap())
-   }
 }

api/src/main/kotlin/io/smnp/util/config/ConfigMapSchema.kt

@@ -36,4 +36,6 @@ class ConfigMapSchema {
          else Value.string(name) to value
       }.toMap())
    }
+
+   fun empty(): ConfigMap = parse(Value.map(emptyMap()))
 }

modules/midi/src/main/kotlin/io/smnp/ext/midi/function/MidiFunction.kt

@@ -13,7 +13,6 @@ import io.smnp.type.matcher.Matcher.Companion.listOfMatchers
 import io.smnp.type.matcher.Matcher.Companion.mapOfMatchers
 import io.smnp.type.matcher.Matcher.Companion.ofType
 import io.smnp.type.model.Value
-import io.smnp.util.config.ConfigMap
 import io.smnp.util.config.ConfigMapSchema
 
 
@@ -47,7 +46,7 @@ class MidiFunction : Function("midi") {
             throw CustomException("MIDI standard supports max to 16 channels and that number has been exceeded")
          }
 
-         Midi.with(ConfigMap.EMPTY).play(unwrappedLines)
+         Midi.with(schema.empty()).play(unwrappedLines)
 
          Value.void()
       }
@@ -74,7 +73,7 @@ class MidiFunction : Function("midi") {
             throw CustomException("MIDI standard supports max to 16 channels and that number has been exceeded")
          }
 
-         Midi.with(ConfigMap.EMPTY).play(unwrappedChannels)
+         Midi.with(schema.empty()).play(unwrappedChannels)
 
          Value.void()
       }