SUMMARY STEPS TO REPRODUCE 1. Open ksysguard 2. Enabled "Close" in toolbar 3. OBSERVED RESULT No change to toolbar and unable to close any tabs. EXPECTED RESULT Ability to close tabs SOFTWARE/OS VERSIONS Operating System: Kubuntu 20.04 KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 Kernel Version: 5.8.0-50-generic OS Type: 64-bit Processors: 4 × AMD Ryzen 3 2200G with Radeon Vega Graphics Memory: 29.4 GiB of RAM ADDITIONAL INFORMATION