Update the warning that's displayed when using HMA on complex schemas

[srinify]

Problem Description

If a user tries to fit HMA Synthesizer on a complex schema, the following warning will be displayed:

We recommend simplifying your metadata schema using 'sdv.utils.poc.simplify_schema`. If this is not possible, contact us at info@sdv.dev for enterprise solutions.

Expected behavior

After a quick discussion with Neha, we want to update this warning to instead say something like:

We recommend simplifying your metadata schema using 'sdv.utils.poc.simplify_schema`. If this is not possible, please visit datacebo.com and reach out to us for enterprise solutions.