FE task to create a new button "Uninstall" for Pipedrive connector

Tell us about the problem you're trying to solve

We need to implement the "Uninstall" button for the source connector Pipedrive. It is a must condition to submit the Public App.

Describe the solution you’d like

1. On the connection Settings screen add a button "Uninstall".
2. The button should be enabled by default.
3. On button press implement Uninstallation flow (should be implemented in the other task) - airbytehq/airbyte-internal-issues#354
4. See the mockup below.