Update KotlinLanguage.kt

[noci]

Author: PranavPurwar

app/src/main/kotlin/org/cosmicide/editor/language/KotlinLanguage.kt

@@ -42,6 +42,7 @@ class KotlinLanguage(
     private val file: File
 ) : IdeLanguage(
     grammarRegistry.findGrammar("source.kotlin"),
+    grammarRegistry.findLanguageConfiguration("source.kotlin"),
     grammarRegistry,
     themeRegistry
 ) {