Fix chroma integration failing in cloud

[MinuraPunchihewa]

Description

This PR moves the import of the pysqlite3 module to before that of chromadb.

Fixes #7949

Type of change

• 🐛 Bug fix (non-breaking change which fixes an issue)

Verification Process

To ensure the changes are working as expected:

• Test Location: Test on Alpha.

Checklist:

• My code follows the style guidelines(PEP 8) of MindsDB.
• I have appropriately commented on my code, especially in complex areas.
• Necessary documentation updates are either made or tracked in issues.
• Relevant unit and integration tests are updated or added.

[dusvyat]

@MinuraPunchihewa I tested this change and along with some additional changes I made on mindsdb_gateway.

It looks to be working on alpha.

I will go ahead and merge.

[dusvyat]

should be good to go. Tested on alpha

[MinuraPunchihewa]

Hey @dusvyat,
Thank you so much for your help with this in my absence. Much appreciated.