fixrule(text_sensory_misuse): Reduce "Needs Review" false positives for sensory text

[shunguoy]

fixrule(text_sensory_misuse): Reduce "Needs Review" false positives for the rule

Please review more info: https://github.com/IBMa/equal-access/wiki/Release-notes -->

• Rule bug: text_sensory_misuse

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

#1641

Additional information can be found here:

Testing reference:

1.3.3 Sensory Characteristics:
first test case: test/v2/checker/accessibility/rules/text_sensory_misuse_ruleunit/Content-notSensory-hidden.html
before fix: 1 message: "If the word(s) 'round, square, shape, rectangle, triangle, right, left, top-left, top-right, bottom-right, bottom-left, above, below, top, bottom, upper, lower, corner, beside' is part of instructions for using page content, check it is still understandable without this location or shape information"
after fix: 2 messages: "Confirm the word(s) 'right, left, top-left, top-right, bottom-right, bottom-left, above, below, top, bottom, upper, lower, corner, beside' of the user instruction is used to indicate a logical rather than visual position"
and "Confirm the user instruction is still understandable without the word(s) 'round, square, shape, rectangle, triangle'"

Second test case: test/v2/checker/accessibility/rules/text_sensory_misuse_ruleunit/right-click.html
before fix: 2 messages
after fix: 1 message

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.

The merge-base changed after approval.

[ErickRenteria]

Validated