FIR IDE: disable some script stuff in FIR plugin as causes exceptions

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ucache/ScriptClassRootsUpdater.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.idea.core.script.ucache
 import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.application.runInEdt
+import com.intellij.openapi.components.service
 import com.intellij.openapi.fileEditor.FileEditorManager
 import com.intellij.openapi.progress.ProgressIndicator
 import com.intellij.openapi.progress.ProgressManager
@@ -27,6 +28,7 @@ import org.jetbrains.kotlin.idea.core.script.ScriptDependenciesModificationTrack
 import org.jetbrains.kotlin.idea.core.script.configuration.CompositeScriptConfigurationManager
 import org.jetbrains.kotlin.idea.core.script.scriptingDebugLog
 import org.jetbrains.kotlin.idea.core.util.EDT
+import org.jetbrains.kotlin.idea.util.FirPluginOracleService
 import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.psi.KtFile
@@ -243,6 +245,14 @@ abstract class ScriptClassRootsUpdater(
 
         if (openedScripts.isEmpty()) return
 
+        /**
+         * Scripts guts are everywhere in the plugin code, without them some functionality does not work,
+         * And with them some other fir plugin related is broken
+         * As FIR plugin does not have scripts support yet, just disabling not working one for now
+         */
+        @Suppress("DEPRECATION")
+        if (project.service<FirPluginOracleService>().isFirPlugin()) return
+
         GlobalScope.launch(EDT(project)) {
             if (project.isDisposed) return@launch