Allow to configure mandatory filters in Dashboards

[zedidas]

At the moment, it is not possible to set a Dashboard filter as mandatory (AFAIK).

I believe there are use cases where some specific query may not make sense if no value is set for a specific filter.

Additionally, there may be some data sets which the information is to big for a selection with no filter, and that would generate long periods waiting for results.

I suggested to add a "Mandatory" or "Required" field when configuring a dashboard filter, with a on/off switch.

When a field has this flag set, then the Dashboard would show empty cards if the filter is not set. The Dashboard would show the results when the field is set.

For reference, this topic was already addressed in previous discussions:
https://discourse.metabase.com/t/mandatory-dashboard-filter-s/12756

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[flamber]

Related to #5320 and #9871

[paoliniluis]

@cdeweyx should we close this?

[oleggromov]

Will be fixed in 0.49 by [Epic] Let creators make dashboard and native query filters required.