enh: log exception info (at debug) when we catch an exception in map_…

…to_click handler

User reported a crash where logs where pretty much useless as on the
source/reason for exception:

    ...
    2024-12-11T18:28:38-0500 [DEBUG   ] dandi 1351865:139891496982272 sub-I48/ses-SPIM/micr/sub-I48_ses-SPIM_sample-BrocaAreaS01_stain-Calretinin_SPIM.ome.zarr/0/1/51/24 - verified that has correct md5 c805c4f34e250a813f2325741faceddc
    2024-12-11T18:28:38-0500 [DEBUG   ] dandi 1351865:139894578401792 Caught exception

May be with traceback logged we get more of useful information

dandi/cli/base.py

@@ -131,7 +131,7 @@ def wrapper(obj, *args, **kwargs):
         #     raise click.UsageError(str(e))
         except Exception as e:
             e_str = str(e)
-            lgr.debug("Caught exception %s", e_str)
+            lgr.debug("Caught exception %s", e_str, exc_info=True)
             if not map_to_click_exceptions._do_map:
                 raise
             raise click.ClickException(e_str)