Ensure tag.with_options({}).p builds a <p>

Prior to this change, the following call raises:

```ruby
with_options(id: "with-options") { |t| t.p "content" }

```

The `ActionView::Helpers::TagHelper::TagBuilder` implementation relies
on `method_missing` to dispatch calls to `tag_string` where the missing
method name is the resulting element's tagName. Unfortunately,
[`Kernel#p` already exists][Kernel#p] and is invoked before
`method_missing` can intervene.

This commit rectifies this by declaring `TagBuilder#p` and overriding
the existent `#p` instance method.

[Kernel#p]: https://ruby-doc.org/core-2.7.2/Kernel.html#method-i-p

actionview/lib/action_view/helpers/tag_helper.rb

@@ -47,6 +47,10 @@ module ActionView
           @view_context = view_context
         end
 
+        def p(*arguments, **options, &block)
+          tag_string(:p, *arguments, **options, &block)
+        end
+
         def tag_string(name, content = nil, escape_attributes: true, **options, &block)
           content = @view_context.capture(self, &block) if block_given?
           if VOID_ELEMENTS.include?(name) && content.nil?

actionview/test/template/tag_helper_test.rb

@@ -97,6 +97,12 @@ class TagHelperTest < ActionView::TestCase
       tag.p(disabled: true, itemscope: true, multiple: true, readonly: true, allowfullscreen: true, seamless: true, typemustmatch: true, sortable: true, default: true, inert: true, truespeed: true, allowpaymentrequest: true, nomodule: true, playsinline: true)
   end
 
+  def test_tag_builder_with_options_builds_p_elements
+    html = tag.with_options(id: "with-options") { |t| t.p("content") }
+
+    assert_dom_equal '<p id="with-options">content</p>', html
+  end
+
   def test_tag_builder_do_not_modify_html_safe_options
     html_safe_str = '"'.html_safe
     assert_equal "<p value=\"&quot;\" />", tag("p", value: html_safe_str)