FE: don't create KtFile stubs on virtual files without ids

This commit is kinda revert of the change in platform 203:
https://github.com/JetBrains/intellij-community/commit/5d91f7bf2e5718d715c0d90ed1a212ea845fb2a3

#KT-49833 Fixed

compiler/psi/src/org/jetbrains/kotlin/psi/KtFile.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.psi
 import com.intellij.extapi.psi.PsiFileBase
 import com.intellij.openapi.components.ServiceManager
 import com.intellij.openapi.fileTypes.FileType
+import com.intellij.openapi.vfs.VirtualFileWithId
 import com.intellij.psi.*
 import com.intellij.psi.stubs.StubElement
 import com.intellij.psi.tree.TokenSet
@@ -189,6 +190,7 @@ open class KtFile(viewProvider: FileViewProvider, val isCompiled: Boolean) :
     }
 
     override fun getStub(): KotlinFileStub? {
+        if (virtualFile !is VirtualFileWithId) return null
         val stub = super.getStub()
         if (stub is KotlinFileStub?) {
             return stub

compiler/testData/cli/jvm/newLineInPackage.args

@@ -0,0 +1,3 @@
+$TESTDATA_DIR$/newLineInPackage.kt
+-d
+$TEMP_DIR$

compiler/testData/cli/jvm/newLineInPackage.kt

@@ -0,0 +1,2 @@
+package com.some
+.name

compiler/testData/cli/jvm/newLineInPackage.out

@@ -0,0 +1 @@
+OK

compiler/tests-gen/org/jetbrains/kotlin/cli/CliTestGenerated.java

@@ -686,6 +686,11 @@ public class CliTestGenerated extends AbstractCliTest {
             runTest("compiler/testData/cli/jvm/newInferenceWithOldFlagImpliesSamConversions.args");
         }
 
+        @TestMetadata("newLineInPackage.args")
+        public void testNewLineInPackage() throws Exception {
+            runTest("compiler/testData/cli/jvm/newLineInPackage.args");
+        }
+
         @TestMetadata("noReflect.args")
         public void testNoReflect() throws Exception {
             runTest("compiler/testData/cli/jvm/noReflect.args");