Revert "Stringify properties before filtering (#1929)"

This reverts commit f5d6a36574.

lib/liquid/standardfilters.rb

@@ -979,6 +979,7 @@ module Liquid
 
     def filter_array(input, property, target_value, default_value = [], &block)
       ary = InputIterator.new(input, context)
+
       return default_value if ary.empty?
 
       property = Utils.to_s(property)

test/integration/standard_filter_test.rb

@@ -1109,19 +1109,6 @@ class StandardFiltersTest < Minitest::Test
     assert_template_result(expected_output, template, { "array" => array })
   end
 
-  def test_where_with_non_string_property
-    array = [
-      { "handle" => "alpha", "{}" => true },
-      { "handle" => "beta", "{}" => false },
-      { "handle" => "gamma", "{}" => false },
-      { "handle" => "delta", "{}" => true },
-    ]
-    template = "{{ array | where: some_property, true | map: 'handle' | join: ' ' }}"
-    expected_output = "alpha delta"
-
-    assert_template_result(expected_output, template, { "array" => array, "some_property" => {} })
-  end
-
   def test_where_string_keys
     input = [
       "alpha", "beta", "gamma", "delta"