Look up modules under modal progress in ChooseModulePanel

Relates to #KT-30541
#KT-38081 Fixed

idea/idea-jvm/resources/messages/KotlinJvmBundle.properties

@@ -75,6 +75,7 @@ there.aren.t.configurators.available=There aren't configurators available
 all.modules.with.kotlin.files.are.configured=All modules with Kotlin files are configured
 lookup.project.configurators.progress.text=Looking up for project configurators ...
 lookup.modules.configurations.progress.text=Looking up for modules configurations ...
+lookup.kotlin.modules.configurations.progress.text=Looking up for kotlin modules configuration ... 
 added.0.requirement.to.module.info.in.1=Added {0} requirement to module-info in {1}
 updated.javascript.libraries.in.module.0=Updated JavaScript libraries in module {0}
 added.0.to.library.configuration=Added {0} to library configuration

idea/idea-jvm/src/org/jetbrains/kotlin/idea/configuration/ConfigureKotlinInProjectUtils.kt

@@ -23,6 +23,7 @@ import com.intellij.psi.PsiJavaModule
 import com.intellij.psi.search.DelegatingGlobalSearchScope
 import com.intellij.psi.search.FileTypeIndex
 import com.intellij.psi.search.GlobalSearchScope
+import org.jetbrains.annotations.CalledInBackground
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.idea.KotlinFileType
 import org.jetbrains.kotlin.idea.KotlinJvmBundle
@@ -130,6 +131,7 @@ fun isModuleConfigured(moduleSourceRootGroup: ModuleSourceRootGroup): Boolean {
  *
  * DO NOT CALL THIS ON AWT THREAD
  */
+@CalledInBackground
 fun getModulesWithKotlinFiles(project: Project): Collection<Module> {
     if (!isUnitTestMode() && ApplicationManager.getApplication().isDispatchThread) {
         LOG.error("getModulesWithKotlinFiles could be a heavy operation and should not be call on AWT thread")

idea/idea-jvm/src/org/jetbrains/kotlin/idea/framework/ui/ChooseModulePanel.java

@@ -21,10 +21,10 @@ import com.intellij.openapi.module.ModuleManager;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.popup.JBPopupFactory;
 import com.intellij.openapi.ui.popup.util.BaseListPopupStep;
+import com.intellij.openapi.util.Pair;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.ui.HyperlinkLabel;
 import com.intellij.util.Function;
-import com.intellij.xml.util.XmlUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.kotlin.idea.KotlinJvmBundle;
 import org.jetbrains.kotlin.idea.configuration.ConfigureKotlinInProjectUtilsKt;
@@ -39,6 +39,8 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
+import static org.jetbrains.kotlin.idea.util.ProgressIndicatorUtils.underModalProgress;
+
 public class ChooseModulePanel {
     private JPanel contentPane;
     private JRadioButton allModulesWithKtRadioButton;
@@ -53,8 +55,20 @@ public class ChooseModulePanel {
 
     public ChooseModulePanel(@NotNull Project project, @NotNull KotlinProjectConfigurator configurator, Collection<Module> excludeModules) {
         this.project = project;
-        this.modules = ConfigureKotlinInProjectUtilsKt.getCanBeConfiguredModules(project, configurator);
-        this.modulesWithKtFiles = ConfigureKotlinInProjectUtilsKt.getCanBeConfiguredModulesWithKotlinFiles(project, configurator);
+        Pair<List<Module>, List<Module>> modulesPair =
+                underModalProgress(project,
+                                   KotlinJvmBundle
+                                           .message("lookup.kotlin.modules.configurations.progress.text"),
+                                   () -> {
+                                       List<Module> modules = ConfigureKotlinInProjectUtilsKt
+                                               .getCanBeConfiguredModules(project, configurator);
+                                       List<Module> modulesWithKtFiles =
+                                               ConfigureKotlinInProjectUtilsKt
+                                                       .getCanBeConfiguredModulesWithKotlinFiles(project, configurator);
+                                       return Pair.create(modules, modulesWithKtFiles);
+                                   });
+        this.modules = modulesPair.first;
+        this.modulesWithKtFiles = modulesPair.second;
 
         DefaultComboBoxModel comboBoxModel = new DefaultComboBoxModel();