Account for incorrect use of ' or " when users look for a phrase on the page

[plocket]

This is regarding the "phrase" Step.

Docassemble renders the page with special characters. Relevant to this issue, it shows left quote and right quote even when the code for the page only has ' (see the docs about special characters). Authors sometimes accidentally put the character from their code into the tests, e.g. ' instead of left quote. We can probably handle that:

When parsing the Step arguments, replace all ', ", and special quote characters with something weird, like !!@. Do the same when parsing the text on the page. Then try to match that text. If we need to print the mismatch, print the originals, of course.