DEV: bind for thread local vars should yield block

followup on #015051ec without this improvement monkey patch does not work.

bind should yield the block it is passed for it to work.

lib/freedom_patches/rails6.rb

@@ -4,7 +4,9 @@
 #
 # Without this patch each time we close a DB connection we spin a thread
 
-class ::ActiveRecord::ConnectionAdapters::AbstractAdapter
+module ::ActiveRecord
+  module ConnectionAdapters
+    class AbstractAdapter
       class StaticThreadLocalVar
         attr_reader :value
 
@@ -14,6 +16,9 @@ class ::ActiveRecord::ConnectionAdapters::AbstractAdapter
 
         def bind(value)
           raise "attempting to change immutable local var" if value != @value
+          if block_given?
+            yield
+          end
         end
       end
 
@@ -39,6 +44,7 @@ class ::ActiveRecord::ConnectionAdapters::AbstractAdapter
           @prepared_statement_status = Concurrent::ThreadLocalVar.new(true)
           @visitor.extend(DetermineIfPreparableVisitor)
         else
+          #@prepared_statement_status = Concurrent::ThreadLocalVar.new(false)
           @prepared_statement_status = StaticThreadLocalVar.new(false)
         end
 
@@ -46,5 +52,6 @@ class ::ActiveRecord::ConnectionAdapters::AbstractAdapter
           config.fetch(:advisory_locks, true)
         )
       end
-
+    end
+  end
 end