chore: APP-12 change projects shown per page to 12

[blushi]

Description

https://regennetwork.atlassian.net/browse/APP-13?atlOrigin=eyJpIjoiNGU3NjkyMTZkMDBhNDYyOWJlNjk5YjY5ODIxYWQzYTkiLCJwIjoiaiJ9

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How to test

https://deploy-preview-2331--regen-marketplace.netlify.app/projects/1

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[blushi]

@erikalogie you can test this on https://deploy-preview-2331--regen-marketplace.netlify.app/projects/1

[erikalogie]

@blushi this looks good but have we implemented any of the tasks to speed up load time? Otherwise we should probably not merge this work until after that as this page was quite slow previously.

[blushi]

@blushi this looks good but have we implemented any of the tasks to speed up load time? Otherwise we should probably not merge this work until after that as this page was quite slow previously.

We did implement some small optimizations but given the amount of queries and the data processing that we need to make here, I believe only SSR will only fully seem satisfying in terms of performance, see my notes in regen-network/rnd-dev-team#1895 (comment). So not something we'll have in the next release.
Let's just keep this unmerged for now then.