Allow Chart owners (not admins) to explore their charts.

[BETEP0K1]

a user without administrator rights does not see their own Charts. Right - can read on Chart, can write on Chart he has. superset/superset/config.py
DASHBOARD_RBAC : true

[BETEP0K1]

1.5.2. tested - bug not fixed yet.

[rusackas]

I don't quite understand the issue... can you confirm this is a problem on 2.0, and if so, provide some more steps or a reproducible scenario to test this bug?

[rusackas]

This version of Superset is no longer supported. If anyone is still encountering this in current versions (3.x) please open a new Issue or a PR to address the problem.