Log database connection error before humanizing it (#10695)

* Log database connection error before humanizing it

The original, non-humanized error message may contain clues regarding the
error state, that might get lost in the humanization process.

* Log complete error at error log level

src/metabase/driver/util.clj

@@ -31,6 +31,7 @@
       ;; actually if we are going to `throw-exceptions` we'll rethrow the original but attempt to humanize the message
       ;; first
       (catch Throwable e
+        (log/error e (trs "Database connection error"))
         (throw (Exception. (str (driver/humanize-connection-error-message driver (.getMessage e))) e))))
     (try
       (can-connect-with-details? driver details-map :throw-exceptions)