COMMA_IN_WHEN_CONDITION_WITHOUT_ARGUMENT is an ERROR now.

Migrated code.
Updated test data in IDE tests.
Dropped whenWithRangeTestsAndMultiConditions.kt:
"Introduce subject" is not applicable to 'when' with ||-ed conditions.

jps-plugin/test/org/jetbrains/kotlin/jps/incremental/AbstractProtoComparisonTest.kt

@@ -102,8 +102,8 @@ public abstract class AbstractProtoComparisonTest : UsefulTestCase() {
         )
 
         val diff = when {
-            newClassHeader.isCompatibleClassKind(),
-            newClassHeader.isCompatibleFileFacadeKind(),
+            newClassHeader.isCompatibleClassKind() ||
+            newClassHeader.isCompatibleFileFacadeKind() ||
             newClassHeader.isCompatibleMultifileClassPartKind() ->
                 difference(oldProto, newProto)
             else ->  {