Fix Florence2 conversion script model_type KeyError

[i3hz]

What does this PR do?

Fixes #41738

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@zucchini-nlp

[github-actions]

[For maintainers] Suggested jobs to run (before merge)

run-slow: florence2

[i3hz]

@vasqu I don't know who to ping lol can you please look into this

[vasqu]

@zucchini-nlp is the right person but she's out for a bit. Maybe checking in with the original author @ducviet00

Looks simple enough

[ducviet00]

LGTM! Thank you!

[vasqu]

Thx, just to be sure: Do we need the if check or shouldn't it always default to bart?

[i3hz]

Thx, just to be sure: Do we need the if check or shouldn't it always default to bart?

Atm we don't really need the if check , but I've added it just in case . Should I remove it?

[vasqu]

Nah it's fine, let's see if different remote models come along with a different text backbone and fix then if needed

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