formulaequationinput: add capital greek letters and hbar to calc preview
Simplify retry logic for ui helper functions
Improve code clarity and error messages for css selection
hbar only add once
Revert "4 OE/ORA UI fixes to make it easier to use"

This reverts commit 3b29d6056e8468b27c0871cb5baf352fcf0dbdba.
apache lms wsgi fix
Improve retry logic for Stale Element Exceptions