Report incorrect JVM target only when @JvmRecord is actually used

compiler/testData/diagnostics/testsWithJava15/jvmRecord/diagnostics.kt

@@ -1,6 +1,8 @@
 // !API_VERSION: 1.5
 // !LANGUAGE: +JvmRecordSupport
 // SKIP_TXT
+// JVM_TARGET: 15
+// ENABLE_JVM_PREVIEW
 
 <!NON_DATA_CLASS_JVM_RECORD!>@JvmRecord<!>
 class A0

compiler/testData/diagnostics/testsWithJava15/jvmRecord/irrelevantFields.kt

@@ -1,6 +1,8 @@
 // !API_VERSION: 1.5
 // !LANGUAGE: +JvmRecordSupport
 // SKIP_TXT
+// JVM_TARGET: 15
+// ENABLE_JVM_PREVIEW
 
 interface I
 

compiler/testData/diagnostics/testsWithJava15/jvmRecord/jvmRecordDescriptorStructure.kt

@@ -1,5 +1,7 @@
 // !API_VERSION: 1.5
 // !LANGUAGE: +JvmRecordSupport
+// JVM_TARGET: 15
+// ENABLE_JVM_PREVIEW
 
 <!NON_DATA_CLASS_JVM_RECORD!>@JvmRecord<!>
 class BasicRecord(val x: String)

compiler/testData/diagnostics/testsWithJava15/jvmRecord/supertypesCheck.kt

@@ -1,5 +1,7 @@
 // !API_VERSION: 1.5
 // !LANGUAGE: +JvmRecordSupport
+// JVM_TARGET: 15
+// ENABLE_JVM_PREVIEW
 
 abstract class Abstract
 interface I