RS: Adjusted span tags with break-all style to improve readability of v2 metric names in tables (#1924)

* DOC-5527 Attempted to fix an issue where markdown tables overlap and are blocked by the on this page panel for certain window sizes

* DOC-5527 Changed fix for table/mini-ToC overlap from standard CSS to mostly Tailwind CSS for consistency

* DOC-5527 Changed table column names from break-all to break-normal to prevent strange wrapping

* DOC-5527 Excluded post-categories from the table overlap fixes to prevent strange formatting of the product tags under the page titles

* DOC-5527 Reverted changes that attemped to fix the overlap issue with tables and the on this page ToC since it caused other visual issues

* DOC-5527 Removed excess whitespace from index.css

* DOC-5527 Adjusted span tags with break-all style to improve readability of v2 metric names in tables

Author: rrelledge