Wizard: fix wrong line separators

#KT-36328 fixed

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/service/IdeaFileFormattingService.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.tools.projectWizard.wizard.service
 
 import com.intellij.openapi.project.Project
+import com.intellij.openapi.util.text.StringUtil
 import com.intellij.psi.codeStyle.CodeStyleManager
 import org.jetbrains.kotlin.idea.util.application.runReadAction
 import org.jetbrains.kotlin.psi.KtPsiFactory
@@ -14,7 +15,7 @@ import java.io.File
 
 class IdeaFileFormattingService(private val project: Project) : FileFormattingService, IdeaWizardService {
     override fun formatFile(text: String, filename: String): String = runReadAction {
-        val psiFile = createPsiFile(text, filename) ?: return@runReadAction text
+        val psiFile = createPsiFile(StringUtil.convertLineSeparators(text), filename) ?: return@runReadAction text
         CodeStyleManager.getInstance(project).reformat(psiFile).text
     }
 

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/service/IdeaFileSystemWizardService.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.tools.projectWizard.wizard.service
 
+import com.intellij.openapi.util.text.StringUtil
 import com.intellij.openapi.vfs.VfsUtil
 import org.jetbrains.kotlin.idea.util.application.runWriteAction
 import org.jetbrains.kotlin.tools.projectWizard.core.TaskResult
@@ -25,7 +26,7 @@ class IdeaFileSystemWizardService : FileSystemWizardService, IdeaWizardService {
             val directory =
                 VfsUtil.createDirectoryIfMissing(directoryPath.toFile().toString())!!
             val virtualFile = directory.createChildData(this, path.fileName.toString())
-            VfsUtil.saveText(virtualFile, text)
+            VfsUtil.saveText(virtualFile, StringUtil.convertLineSeparators(text))
         }
     }
 }