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Is your feature request related to a problem? Please describe the problem.

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Describe the solution you'd like

In Dashboard metrics page it would be a nice feature if we can select some tag to act as a color legend for the diagram.

As it would be multiple filter set available for a metrics the user should click a button to select one of them as the legend and then the diagram should react to that.

Here's a demonstration for this button:

and then the graph would be like this:

Additional context

we have currently color legend for histogram diagrams now