fix: remove empty string from sed args when not on Darwin

[calthejuggler]

Closes #2099 and #2088

✅ Checklist

• I have followed every step in the contributing guide (updated 2022-10-06).
• The PR title follows the convention we established conventional-commit
• I performed a functional test on my final commit

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Changelog

The start database bash scripts now check if you are running a Darwin machine. If so, it uses the empty string arg for sed, but if not, it omits it.

I also updated the name of the mysql db to include mysql instead of postgres

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Screenshots

BEFORE (postgres):

BEFORE (mysql):

AFTER (postgres):

AFTER (mysql):

💯

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🦋 Changeset detected

Latest commit: b44b92e

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
create-t3-app	Patch

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