add missing page check in page-view

[hubsif]

This fixes a bug raised in the community forums.

I couldn't help it and again did some additional cleanup 😬 :

Having both page and ready for the same seemed confusing somewhat inconsistent in lines like this:

    <f7-tabs v-if="page && pageType === 'tabs' && visibleToCurrentUser" :class="{notready: !ready}">

Additionally, I completely removed the notready css, as it actually only gets rendered when it is ready (v-if="page ...).

[relativeci]

Job #28: Bundle Size — 10.88MB (~-0.01%).

db4e87c vs 3697e20

Changed metrics (2/8)

Metric	Current	Baseline
Initial JS	1.59MB(~-0.01%)	1.59MB
Cache Invalidation	14.82%	19.68%

Changed assets by type (1/7)

	Current	Baseline
JS	8.55MB (~-0.01%)	8.55MB

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View Job #28 report on app.relative-ci.com

[ghys]

Thanks!