Remove `BaseException` Uses

[ericspod]

Describe the bug
BaseException is being caught in places and it's not clear this should be done or is appropriate. Bugbear is not complaining about it as B036 as shown in #7397. Should these be replaced with just Exception? It's not documented anywhere if there's an explicit reason to not do this.

[AlexanderSanin]

Hi @ericspod , I've submitted a PR to address this issue: #8859. It replaces all 17 occurrences of except BaseException with except Exception across monai/ and tests/. Happy to adjust if needed.