Fix collection detail layout

[dezine2dev]

Thank you for your contribution to the KodaDot NFT gallery.

👇 _ Do a quick check before the merge.

PR type

• Bugfix
• Feature
• Refactoring

Before submitting Pull Request, please make sure:

• My contribution builds clean without any errors or warnings
• I've merged recent default branch -- main and I've no conflicts
• I've tried respect high code quality standards
• I've didn't break any original functionality
• I've posted screenshot of demonstrated change in this PR

Optional

• I've tested it at </rmrk/collection/26902bc2f7c20c546a-1FVG7>
• I've tested PR on mobile and everything works
• I found edge cases

What's new?

• PR closes Collection detail layout #1265 , Layout on collection view is small  #1155
• Add missing state for layout in vuex

Had issue bounty label ?

• Fill up your KSM address: Payout

Community participation

• Are you at KodaDot Discord?

Screenshot

• My fix has changed something on UI, a screenshot for others, is best to understand changes.

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[github-actions]

You're Pull Request scored a -0.004694835680751174 out of a possible +5 on the sentiment scale. Here's a gif representation of your PR:

[roiLeo]

lgtm