Extend wrapped_logger formatter if one is present

If the logger_class has a Formatter we have to extend the
wrapped_logger.formatter for it to take effect in both the broadcast and
the wrapped loggers.

lib/vmdb/loggers.rb

@@ -100,6 +100,9 @@ def logger.wrapped_logger
         end
 
         logger.extend(ActiveSupport::Logger.broadcast(wrapped_logger))
+        if logger.class.const_defined?(:FormatterMixin)
+          wrapped_logger.formatter.extend(logger.class.const_get(:FormatterMixin))
+        end
 
         wrapped_logger.progname = progname
       end

lib/vmdb/loggers/provider_sdk_logger.rb

@@ -14,7 +14,7 @@ def <<(msg)
       msg.size
     end
 
-    class Formatter < ManageIQ::Loggers::Base::Formatter
+    module FormatterMixin
       def call(severity, datetime, progname, msg)
         msg = msg.sub(/Bearer(.*?)\"/, 'Bearer [FILTERED] "')
         msg = msg.sub(/Basic(.*?)\"/, 'Basic [FILTERED] "')
@@ -24,5 +24,9 @@ def call(severity, datetime, progname, msg)
         super(severity, datetime, progname, msg)
       end
     end
+
+    class Formatter < ManageIQ::Loggers::Base::Formatter
+      include FormatterMixin
+    end
   end
 end