fix(ui) Increase the number of assertions that we query for in tab

[chriscollins3456]

We have an issue raised that explains how we don't fetch all assertions in the Validations tab so the number displayed next to the entity name doesn't match what we show in the validations tab.

The quick fix here is to increase the hardcoded number from 100 -> 1000 assertions we get. This query is run only in the validations tab so it won't increase the latency of dataset page load overall.

The better solution, in my opinion, is to keep total as 100 but add pagination to the tab. We would need to change how we generate the summary to show how many are passing out of the total on that page as well. This isn't a huge lift, but bigger than I was willing to commit at the moment, so I created a Linear ticket for it and made this quick fix to solve the immediate problem for peope.

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