nuBuilder-4.5_Aug_2022_12

Highlights:

[Fixed] phpMyAdmin login
[Fixed] Uppy: Return response
[Fixed] SQL Builder: Join not generated
[Added] Sticky browse column headers, improved scrolling for smaller screens
[Fixed] Logout Shortcut
[Fixed] Tiny File Manager: Add app files

[Added] Log in with Login Token
[Added] create json columns in all zzzzsys tables
[Added] PHP nuGetSysJSONValue(), nuSetSysJSONValue()
[Added] PHP db_field_exists()