Ignore all exceptions for validates_acceptance_of columns fetch so it can run even without a database connection

Signed-off-by: Michael Koziarski <michael@koziarski.com>

activerecord/lib/active_record/validations.rb

@@ -472,7 +472,7 @@ def validates_acceptance_of(*attr_names)
 
         db_cols = begin
           column_names
-        rescue ActiveRecord::StatementInvalid
+        rescue Exception # To ignore both statement and connection errors
           []
         end
         names = attr_names.reject { |name| db_cols.include?(name.to_s) }