Adjust sampler's "IPC-dropped" log msg styling

Refmt the "connection-dropped" error-log in `Sampler`'s broadcast loop
to show error type first, then the IPC context details; mks it all
easier to grok/less-noisy on console imo.

(this commit msg was generated in some part by [`claude-code`][claude-code-gh])
[claude-code-gh]: https://github.com/anthropics/claude-code

piker/data/_sampling.py

@@ -292,9 +292,10 @@ class Sampler:
 
                     except self.bcast_errors as err:
                         log.error(
-                            f'Connection dropped for IPC ctx\n'
-                            f'{stream._ctx}\n\n'
-                            f'Due to {type(err)}'
+                            f'Connection dropped for IPC ctx due to,\n'
+                            f'{type(err)!r}\n'
+                            f'\n'
+                            f'{stream._ctx}'
                         )
                         borked.add(stream)
                 else: