Addition of page action configuration option to override vars in target page

[tarag]

Provides ability to transmit local context upon page switching. The target page is able to react to the calling page via the contents of the variable.

For example:
I have a canvas page with different layers for the ground floor (doors, hvac, lights) which visibility is managed through a var and buttons. It also has a button to navigate to the page for the second floor which has similar layers. Using this evolution I can select the same kind of layer when navigating across these 2 pages by overriding the var defining layer visibility.

[relativeci]

Job #401: Bundle Size — 10.71MB (-0.02%).

bb5e51c vs 55cafb2

Changed metrics (3/10)

Metric	Current	Baseline
Initial JS	1.67MB(-0.13%)	1.67MB
Initial CSS	607.04KB(-0.04%)	607.27KB
Cache Invalidation	21.32%	15.78%

Changed assets by type (2/7)

	Current	Baseline
CSS	856.91KB (-0.03%)	857.14KB
JS	8.65MB (-0.03%)	8.65MB

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View Job #401 report on app.relative-ci.com

[ghys]

Good enough, could probably use a doc update but then again, I don't believe defineVars at the page level is documented so it goes for both.
Thanks.