Reworked deprecated fileTypeFactory EP usage

Relates to #KT-38571

idea/resources/META-INF/plugin.xml.as40

@@ -100,6 +100,34 @@ The Kotlin plugin provides language support in IntelliJ IDEA and Android Studio.
     <completion.ml.model implementation="org.jetbrains.kotlin.idea.completion.ml.KotlinMLRankingProvider"/>
 
     <defaultLiveTemplatesProvider implementation="org.jetbrains.kotlin.idea.liveTemplates.KotlinLiveTemplatesProvider"/>
+
+    <fileType name="Kotlin"
+              implementationClass="org.jetbrains.kotlin.idea.KotlinFileType"
+              fieldName="INSTANCE"
+              language="kotlin"
+              extensions="kt;kts"/>
+    <fileType name="KLib"
+              implementationClass="org.jetbrains.kotlin.idea.KLibFileType"
+              fieldName="INSTANCE"
+              extensions="klib"/>
+    <fileType name="KNM"
+              implementationClass="org.jetbrains.kotlin.idea.klib.KlibMetaFileType"
+              fieldName="INSTANCE"
+              extensions="knm"/>
+    <fileType name="KJSM"
+              implementationClass="org.jetbrains.kotlin.idea.decompiler.js.KotlinJavaScriptMetaFileType"
+              fieldName="INSTANCE"
+              extensions="kjsm"/>
+
+    <fileType name="kotlin_builtins"
+              implementationClass="org.jetbrains.kotlin.idea.decompiler.builtIns.KotlinBuiltInFileType"
+              fieldName="INSTANCE"
+              extensions="kotlin_builtins;kotlin_metadata"/>
+
+    <fileType name="kotlin_module"
+              implementationClass="org.jetbrains.kotlin.idea.KotlinModuleFileType"
+              fieldName="INSTANCE"
+              extensions="kotlin_module"/>
   </extensions>
 
   <extensions defaultExtensionNs="org.jetbrains.kotlin">