Neal H. Walfield c32be31f7e
Fix how paths for self signatures are displayed.
- When showing a path for a self signature, the path is dangling,
    consider:

    ```
    $ sq cert list E8F7E841DC8F412AFA1218BD36D48A1A12B8FC07  --gossip --show-paths
     - E8F7E841DC8F412AFA1218BD36D48A1A12B8FC07
       - created 2024-05-21 20:49:20 UTC
       - will expire on 2027-05-22 14:15:41 UTC

       - [   0/120 ] alice

         ◯─┬ E8F7E841DC8F412AFA1218BD36D48A1A12B8FC07
         │ └ "alice"
    ```

  - Instead, clearly indicate that the path is a self signature, like
    so:

    ```
    $ sq cert list E8F7E841DC8F412AFA1218BD36D48A1A12B8FC07  --gossip --show-paths
    - E8F7E841DC8F412AFA1218BD36D48A1A12B8FC07
      - created 2024-05-21 20:49:20 UTC
      - will expire on 2027-05-22 14:15:41 UTC

      - [   0/120 ] alice

        ◯─┬ E8F7E841DC8F412AFA1218BD36D48A1A12B8FC07
        │ └ "alice"
        │
        └── Self-signed user ID.
    ```
2024-10-26 10:44:13 +02:00
..
2024-10-15 12:49:52 +02:00
2023-03-30 16:03:48 +02:00
2024-10-24 15:17:33 +02:00
2024-10-24 15:17:33 +02:00
2024-02-14 17:12:42 +01:00