SUMMARY

Attempting to navigate through the location bar into a folder within a folder that has # character in it's name is not possible, rather it throws you back one folder.

STEPS TO REPRODUCE
1. Create a folder "#test"
2. Create a folder "test2" within that "#test" folder
3. Navigate into "#test" folder and in the location bar add "/test2" attempting to navigate into the folder, and it won't work.

OBSERVED RESULT
Throws you back one folder

EXPECTED RESULT
Navigates into the folder specified in the navigation bar

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 5.8.16-2-MANJARO x86_64
(available in About System)
KDE Plasma Version: KDE Plasma 5.19.5
KDE Frameworks Version: 5.74.0
Qt Version: 5.15.1

ADDITIONAL INFORMATION