Mute assert in ReferenceVariantsHelper for scopes.

Now there are several places, where we can get JetScope and write wrapper by LexicalScope key.
Assertions is minor here, because in worse case we just added some wrong descriptors to completion.

idea/ide-common/src/org/jetbrains/kotlin/idea/codeInsight/ReferenceVariantsHelper.kt

@@ -154,13 +154,8 @@ public class ReferenceVariantsHelper(
         else {
             descriptors.processAll(implicitReceiverTypes, implicitReceiverTypes, resolutionScope, CallType.NORMAL, kindFilter, nameFilter)
 
-            // process non-instance members
+            // process non-instance members.
             for (descriptor in resolutionScope.getDescriptorsFiltered(kindFilter, nameFilter)) {
-                if (descriptor is CallableDescriptor) {
-                    assert(descriptor is SyntheticFieldDescriptor || descriptor.dispatchReceiverParameter == null) {
-                        "Resolution scope with member descriptor: $descriptor. Scope structure: ${JetScopeUtils.printStructure(resolutionScope)}"
-                    }
-                }
                 if (!descriptor.isExtension) {
                     descriptors.add(descriptor)
                 }
@@ -271,9 +266,7 @@ public class ReferenceVariantsHelper(
         }
 
         for (descriptor in resolutionScope.getDescriptors(kindFilter exclude DescriptorKindExclude.NonExtensions, nameFilter)) {
-            assert(descriptor !is CallableDescriptor || descriptor is SyntheticFieldDescriptor || descriptor.dispatchReceiverParameter == null) {
-                "Resolution scope with member descriptor: $descriptor. Scope structure: ${JetScopeUtils.printStructure(resolutionScope)}"
-            }
+            // todo: sometimes resolution scope here is LazyJavaClassMemberScope. see ea.jetbrains.com/browser/ea_problems/72572
             if (descriptor.isExtension) {
                 process(descriptor as CallableDescriptor)
             }