Address review comment

Author: hvitved

csharp/ql/lib/semmle/code/csharp/dataflow/internal/DataFlowPrivate.qll

@@ -757,6 +757,7 @@ predicate simpleLocalFlowStep(Node nodeFrom, Node nodeTo, string model) {
     |
       isUseStep = false
       or
+      isUseStep = true and
       not FlowSummaryImpl::Private::Steps::prohibitsUseUseFlow(nodeFrom, _)
     )
     or

ruby/ql/lib/codeql/ruby/dataflow/internal/DataFlowPrivate.qll

@@ -522,6 +522,7 @@ private module Cached {
       |
         isUseStep = false
         or
+        isUseStep = true and
         not FlowSummaryImpl::Private::Steps::prohibitsUseUseFlow(nodeFrom, _)
       )
       or