Inspecting a chart takes to empty metrics

Description of problem:

On Observe page, when we inspect a chart on the Dashboard page it takes us to the Metrics page but with the query missing for the chart.

Prerequisites (if any, like setup, operators/versions):

Steps to Reproduce

1. Go to Observe page
2. On Dashboard click on inspect button on any chart

Actual results:

It takes us to the Metrics tab with the query missing. The user needs to re-enter the query from dropdown

Expected results:

The query should be present for the intended chart

Reproducibility (Always/Intermittent/Only Once):

Always

Build Details:

4.9.0-0.nightly-2021-08-28-082738

Additional info: