RK-J

1. If requestedOurl is not present in purpleLinksInfoExtFullCombined kind, check for the ourl in the content kind only if it is a youtube url or the url is supported page (means any of the aliases contains prefix of the requestedOurl).

2. For getting the values for isCopilotOpenOnExit, delayBeforeFirstCopilotOpen, defaultOpen, ads, subject, CopilotLocation,
we are making separate datastore call to documentProcessing kind. Instead: (a) dont make calls for unsupported URLs; return default values and (b) make only one datastore call to the documentProcessing kind to get these values.