<fixrule(aria_attribute_allowed, aria_semantics_role)> disallow aria-hidden on body element and add support for the new search element

[shunguoy]

• Rule bug: aria_attribute_allowed", "aria_semantics_role"

This PR is related to the following issue(s):

#1336 #1360

Additional information can be found here:

Testing reference:

note that this branch was merged with the branch dev-1304 in PR #1432. The test should be done using the branch dev-1304 and with the following test cases.

test/v2/checker/accessibility/rules/aria_semantics_role_ruleunit/body_attribute.html shows the new violation on the body element
test/v2/checker/accessibility/rules/aria_semantics_role_ruleunit/search_role_attribute.html shows the new violations on the search elements

I have conducted the following for this PR:

• I validated this code in Chrome and FF
• I validated this fix in my local env
• I provided details for testing
• This PR has been reviewed and is ready for test
• I understand that the title of this PR will be used for the next release notes.