## Description
Issue: Fill widgets are not assigned 64 columns on mobile viewport if
placed in the same flex layer.
Fix: Add a check for mobile viewport to override the minWidth logic.
Fixes # ([issue](https://github.com/appsmithorg/appsmith/issues/22917))
## Type of change
> Please delete options that are not relevant.
- Bug fix (non-breaking change which fixes an issue)
## How Has This Been Tested?
- Manual
- Jest
## Checklist:
### Dev activity
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag
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