Asset Browser selected assetId and modelId should reset after region changes

[chejimmy]

What happened:

Asset Browser stuck in loading state after region changes

What you expected to happen:

Asset Browser to display assets

How to reproduce it (as minimally and precisely as possible):

Description of the flow under screenshots

1. select any query type with "Explore" button
2. select an asset
3. change region to a different region
4. click "Explore" button and observe loading state

Screenshots

Spinning

spinning.mov

Network error

spinning-network.mov

Anything else we need to know?:

The error is "failed to fetch query data: ResourceNotFoundException: Asset with ID xxxx not found", since the assetId set for the previous region does not exist in another region.
To fix the problem, Asset Browser selected assetId and modelId should reset after region changes

Environment:

• Grafana version:
• Plugin version:
• OS Grafana is installed on:
• User OS & Browser:
• Others: