Fix freeze during loading script configurations through legacy scripting API

Do not wrap the whole configuration loading process into readAction
^KT-39771 Fixed

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/loader/DefaultScriptConfigurationLoader.kt

@@ -61,11 +61,9 @@ open class DefaultScriptConfigurationLoader(val project: Project) : ScriptConfig
 
         val inputs = getInputsStamp(vFile, file)
         val scriptingApiResult = try {
-            runReadAction {
+            refineScriptCompilationConfiguration(
-                refineScriptCompilationConfiguration(
+                KtFileScriptSource(file), scriptDefinition, file.project
-                    KtFileScriptSource(file), scriptDefinition, file.project
+            )
-                )
-            }
         } catch (e: Throwable) {
             if (e is ControlFlowException) throw e
 

plugins/scripting/scripting-compiler-impl/src/org/jetbrains/kotlin/scripting/resolve/refineCompilationConfiguration.kt

@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.psi.psiUtil.endOffset
 import org.jetbrains.kotlin.psi.psiUtil.startOffset
 import org.jetbrains.kotlin.scripting.definitions.KotlinScriptDefinition
 import org.jetbrains.kotlin.scripting.definitions.ScriptDefinition
+import org.jetbrains.kotlin.scripting.definitions.runReadAction
 import org.jetbrains.kotlin.scripting.withCorrectExtension
 import java.io.File
 import java.net.URL
@@ -228,8 +229,9 @@ fun refineScriptCompilationConfiguration(
     if (legacyDefinition == null) {
         val compilationConfiguration = definition.compilationConfiguration
         val collectedData =
-            getScriptCollectedData(ktFileSource.ktFile, compilationConfiguration, project, definition.contextClassLoader)
+            runReadAction {
-
+                getScriptCollectedData(ktFileSource.ktFile, compilationConfiguration, project, definition.contextClassLoader)
+            }
         return compilationConfiguration.refineOnAnnotations(script, collectedData)
             .onSuccess {
                 it.refineBeforeCompiling(script, collectedData)