[Feature Request] Improve DX of adding Search Attributes

[lorensr]

Is your feature request related to a problem? Please describe.

Can easily run into this error:

t operator search-attribute create --namespace default --name test4 --type Text
Error: unable to add search attributes: Unable to create search attributes: cannot have more than 3 search attribute of type Text.

Describe the solution you'd like

• Higher default max
• Say in the error how to raise the limit (or link to an error page that says it)