[FEATURE] Allow users to edit a PIT Object in Dashboards

[shanilpa]

Context

Is your feature request related to a problem?
Currently, users are able to create Point in Time (PIT) objects via an API. They are not able to edit these PITs in Dashbaords. This feature will allow them to do so and take advantage of the affordances offered by this interface.

This initial work would allow users to view PIT objects (backend and dashboard), and provide a path to other flows like PIT creation, viewing PIT object details, editing PITs, and using them in Discover.

Other context notes

• A Point in Time is a freeze of data at a particular point. This data will yield the same search results and paginate the same way as long as the PIT is alive.
• PIT objects created on the backend (backend PITs) are not usable in Dashboards until a user makes them available.
• When a PIT is made available in Dashboards it's name is pre-appended with "PIT-". This was done for easy identification of PIT objects without having to add additional UI elements elsewhere in Dashboards (i.e Discover Data Picker)

What solution would you like

NB: These are design mockups. Some copy is placeholder and not all interactions are polished.
Mockups may differ from the final launched feature.

1. Allow users to configure a PIT created from Indices that is not available to Dashbaords

• Users are able to configure a PIT that is not available to dashboards, however, they have a limited scope. (add time, or change post expiration options)
• They are able to make this PIT available to dashboards which will allow them to name the PIT and use it with other Dashboard features.

Configure a backend PIT

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2 Allow users to configure a PIT created from indices that is available to Dashboards

• Users are able to perform additional actions to PITs created from indices if the "make available in dashboards" setting is enabled. (name PIT, select timestamp)
• They are able to add time to the PIT and change post expiration settings
• They are able to make this PIT not available to Dashboards if they chose to do so.

PIT available in Dashboards created from indices

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3 Allow users to configure a PIT created from index patterns

• PITs created from index patterns can not be converted to a backend PIT. Therefore the option to set the "make available in Dashboards" option is not shown

Configuration options for PIT created from Index Pattern

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Additional Details

For additional information on the PIT object details UX consult this issue.