Patch Ransack::Nodes::Condition#casted_array?

Issue: activerecord-hackery/ransack#1467
PR: activerecord-hackery/ransack#1468

Hopefully the PR will be merged soon so we can remove this patch.

Author: spaghetticode

core/lib/solidus_core.rb

@@ -7,3 +7,14 @@ def table_name
     name
   end
 end
+
+
+module RansackNodeConditionPatch
+  private
+
+  def casted_array?(predicate)
+    predicate.is_a?(Arel::Nodes::Casted) && predicate.value.is_a?(Array)
+  end
+
+  Ransack::Nodes::Condition.prepend(self)
+end