Move getting srcClassName inside ReadAction in plugin #729 (#851)

Author: volivan239

utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/UtTestsDialogProcessor.kt

@@ -162,7 +162,7 @@ object UtTestsDialogProcessor {
  isCanceled = { indicator.isCanceled })
 
  for (srcClass in model.srcClasses) {
- val methods = ReadAction.nonBlocking<List<ExecutableId>> {
+ val (methods, className) = ReadAction.nonBlocking<Pair<List<ExecutableId>, String?>> {
  val canonicalName = srcClass.canonicalName
  val clazz = classLoader.loadClass(canonicalName).kotlin
  psi2KClass[srcClass] = clazz
@@ -180,10 +180,9 @@ object UtTestsDialogProcessor {
  clazz.allNestedClasses.flatMap {
  findMethodsInClassMatchingSelected(it, srcMethods)
  }
- })
+ }) to srcClass.name
  }.executeSynchronously()
 
- val className = srcClass.name
  if (methods.isEmpty()) {
  logger.error { "No methods matching selected found in class $className." }
  continue