temp: log all layer loading errors while we lose them (#5816)

Temporary workaround while some errors are not being logged.

Cc: #5815.

test_runner/regress/test_broken_timeline.py

@@ -26,6 +26,7 @@ def test_local_corruption(neon_env_builder: NeonEnvBuilder):
             ".*will not become active. Current state: Broken.*",
             ".*failed to load metadata.*",
             ".*load failed.*load local timeline.*",
+            ".*layer loading failed permanently: load layer: .*",
         ]
     )