[Keyboard] Fixed bugs Wuque Mammoth Keyboard Series (#15700)

keyboards/wuque/mammoth20x/config.h

@@ -49,6 +49,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define ENCODERS_PAD_B { D2 }
 
 #define ENCODERS 1
+
+#ifdef ENCODER_RESOLUTION
+    #undef ENCODER_RESOLUTION
+#endif
+#define ENCODER_RESOLUTION 2
+
 // Note:  array is { col, row )
 #define ENCODERS_CW_KEY  { { 3, 2 } }
 #define ENCODERS_CCW_KEY { { 3, 4 } }