Advanced Grid Settings Popup

[lankaukk]

Feature PR to review here: #6354

Creating an "Advanced Grid Settings" popup that can be opened from the grid inspector section dropdown.
Also adjusting the options for the layout system section dropdowns, and their UX copy.

Manual Tests:
I hereby swear that:

• I opened a hydrogen project and it loaded
• I could navigate to various routes in Preview mode

Fixes #[ticket_number] (<< pls delete this line if it's not relevant)

[github-actions]

Try me

[relativeci]

#13890 Bundle Size — 62.49MiB (-0.01%).

fbbdad5(current) vs 6339ece master#13857(baseline)

Warning

Bundle contains 70 duplicate packages – View duplicate packages

Bundle metrics   3 changes 1 improvement

	Current #13890	Baseline #13857
Initial JS	45.62MiB(-0.01%)	45.63MiB
Initial CSS	0B	0B
Cache Invalidation	22.17%	21.52%
Chunks	30	30
Assets	33	33
Modules	4374(-0.02%)	4375
Duplicate Modules	519	519
Duplicate Code	31.64%	31.64%
Packages	472	472
Duplicate Packages	70	70

Bundle size by type   2 changes 2 improvements

	Current #13890	Baseline #13857
JS	62.48MiB (-0.01%)	62.49MiB
HTML	11.05KiB (-0.33%)	11.09KiB

Bundle analysis report Branch advanced-modal-sample Project dashboard

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