Datagrid vertical resizing acts strange

[Janpot]

Duplicates

• [X] I have searched the existing issues

Latest version

• [X] I have tested the latest version

Steps to reproduce 🕹

Steps:

1. Add two data grids on a row
2. Try to reduce and increase the size of one of the

Current behavior 😯

It doesn't always let me size it to the size I want

https://github.com/mui/mui-toolpad/assets/2109932/925c51de-d303-4a61-b7ea-cef6673a06b8

Also I don't think it makes much sense to show the grid columns while vertically resizing

Expected behavior 🤔

No response

Context 🔦

No response

Your environment 🌎

npx @mui/envinfo

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[apedroferreira]

I noticed quite a few bugs around resizing, will try to fix them all soon.

[apedroferreira]

I'll try to solve this by creating a Spacer component automatically like we've talked about