pass max_mols to Draw.MolsToGridImage

[kkovary]

Changelogs

closes #221

max_mols is passed to Draw.MolsToGridImage

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Checklist:

• [x] Was this PR discussed in an issue? It is recommended to first discuss a new feature into a GitHub issue before opening a PR.
• [ ] Add tests to cover the fixed bug(s) or the new introduced feature(s) (if appropriate).
• [ ] Update the API documentation is a new function is added, or an existing one is deleted.
• [ ] Write concise and explanatory changelogs below.
• [x] If possible, assign one of the following labels to the PR: feature, fix or test (or ask a maintainer to do it for you).

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discussion related to that PR

[codecov[bot]]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (4fbb047) 91.99% compared to head (ec2d34d) 92.33%.

Files	Patch %	Lines
datamol/viz/_viz.py	83.33%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #222 +/- ## ========================================== + Coverage 91.99% 92.33% +0.34% ========================================== Files 46 46 Lines 3873 3863 -10 ========================================== + Hits 3563 3567 +4 + Misses 310 296 -14 ``` | [Flag](https://app.codecov.io/gh/datamol-io/datamol/pull/222/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datamol-io) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/datamol-io/datamol/pull/222/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datamol-io) | `92.33% <94.44%> (+0.34%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=datamol-io#carryforward-flags-in-the-pull-request-comment) to find out more.

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[maclandrol]

@kkovary, could you make the changes asked by @hadim in his last review ?

[kkovary]

just got back from a long vacation, I'll get on it ASAP!