Eliminate Observer Cursor Reset Manual Intervention for TestNet Resets

[reecexlm]

What problem does your feature solve?

Whenever testnet is reset, the Anchor Platform requires that the Observer database cursor be reset. This feature request is to either address this issue or provide some automated process to do this and eliminate manual intervention required. This issue is tracked internally against ANCHOR-583

What would you like to see?

Either resolve this issue or provide some way to automate it without manual intervention. eg. startup parameter or configuration value.

What alternatives are there?

use the manual work-around steps whenever there is a testnet reset.

[JakeUrban]

For context, Polaris has a testnet reset command that clears cursors and any other related state.