[WiP] Share modal re-architecture

[eokoneyo]

Summary

This PR attempts to rework the internals for how the share plugin works, and brings with it a slight modification to how configs are registered to the share plugin, with this PR the share plugin now defines the following share types i.e. links, embeds and integrations. As such native implementations (i.e. copy link and embed) provided by sharedUX remain internal to the share plugin.

One might then ask what happens to the existing export functionality provided by the reporting plugin, in this PR the export functionality is now modelled as an integration that's simply grouped as an export, see the type definition for the Export type. Accompanying this change, a new method has been introduced registerShareIntegration that's similar to the previous method register, with a slight difference, in that now registered integrations can be scoped to a specific object type like so.

share.registerShareIntegration('lens', {
	...
	config: () => ({
		someValue: 'This integration value can only be retrieved within the lens objectType scope'
	})
})

Also there's been a clean up with the config options that typically would be passed to the toggleShareMenu method, properties that are specific to a specific share type are now expected to be provided within the config property for that specific share type.

These aforementioned configs would then be automatically be made available under the property shareMenuItems by providing the object type value to the useShareTabsContext, like so;

const { objectTypeMeta, shareMenuItems } = useShareTabsContext('link')

because the share type of link is provided, useShareTabsContext will only provide data and config that applies specifically to the link share type.

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[eokoneyo]

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[eokoneyo]

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cc @eokoneyo