Fix React warning in caused by ManageSources component
Fix React warning in caused by ManageSources component

The warning was the following:

Expected `onClick` listener to be a function, instead got `false`.
If you used to conditionally omit it with onClick={condition && value},
pass onClick={condition ? value : undefined} instead

jkozol/welder-web,jkozol/welder-web,weldr/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web