Tooltip shows original task template's label, if it differs from the one
displayed in the modal. Also, a resolved command with args will be shown
in the tooltip if different from the modal entry text.

<img width="578" alt="Screenshot 2024-04-19 at 00 40 28"
src="https://github.com/zed-industries/zed/assets/2690773/c89369d6-8ffc-4464-ab3b-ea5e8fb7625a">
<img width="761" alt="Screenshot 2024-04-19 at 00 40 32"
src="https://github.com/zed-industries/zed/assets/2690773/b02f1518-976a-4a9b-ba7c-f88c6e056217">
<img width="738" alt="Screenshot 2024-04-19 at 00 40 56"
src="https://github.com/zed-industries/zed/assets/2690773/be502537-f4bd-4ae0-a5e7-78e37fe8fb00">
<img width="785" alt="Screenshot 2024-04-19 at 00 41 01"
src="https://github.com/zed-industries/zed/assets/2690773/9bedcd21-8729-44c8-9a17-46a5a01c7f26">


Release Notes:

- Added tooltips into task spawn modal