fix: Fix workspace settings name duplicate when creating custom workspace roles

Created by: xuliwenwenwen

Signed-off-by: xuliwenwenwen liwenxu@yunify.com

What type of PR is this? /kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes kubesphere/kubesphere#3754 Special notes for reviewers:

Additional documentation, usage docs, etc.: