Issue 5159 - Expose collapse property for BlockingFilter

compiled/filter/RegExpFilter.cpp

Index: compiled/filter/RegExpFilter.cpp
===================================================================
--- a/compiled/filter/RegExpFilter.cpp
+++ b/compiled/filter/RegExpFilter.cpp
@@ -213,27 +213,27 @@
         data.mSitekeysEnd = valueEnd;
       }
     }
     else if (name.equals(u"match-case"_str))
       data.mMatchCase = !reverse;
     else if (name.equals(u"third-party"_str))
       data.mThirdParty = reverse ? TrippleState::NO : TrippleState::YES;
     else if (name.equals(u"collapse"_str))
-      data.mCollapse = reverse ? TrippleState::NO : TrippleState::YES;
+      data.mCollapse = !reverse;
     else
       error.reset(u"filter_unknown_option"_str);
   }
 
   void ParseOptions(String& text, DependentString& error, RegExpFilterData& data,
       String::size_type optionsStart)
   {
     data.mMatchCase = false;
     data.mThirdParty = TrippleState::ANY;
-    data.mCollapse = TrippleState::ANY;
+    data.mCollapse = true;
     data.mDomainsStart = String::npos;
     data.mSitekeysStart = String::npos;
     if (optionsStart >= text.length())
     {
       data.mContentType = defaultTypeMask;
       return;
     }