Warn against data loss when terminating a workspace from the admin UI
MR: Pending
## Description
When a Platform Admin terminates a workspace from the list of all workspaces running on an agent, the developer/owner of the workspace could have uncommitted changes or active processes. The risk of data loss is high, so we should warn the admin before completing the task.
## Acceptance Criteria
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- [ ] An alert is displayed after clicking the Terminate button that warns the admin of the risk of data loss.
## Technical Requirements
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## Design Requirements
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## Impact Assessment
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## User Story
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