Enable tap dance and other features for Whitefox

The custom matrix code was missing calls to matrix_*_quantum, disabling quantum features.

keyboards/whitefox/matrix.c

@@ -49,6 +49,7 @@ void matrix_init(void)
 
     memset(matrix, 0, MATRIX_ROWS);
     memset(matrix_debouncing, 0, MATRIX_ROWS);
+    matrix_init_quantum();
 }
 
 uint8_t matrix_scan(void)
@@ -102,6 +103,7 @@ uint8_t matrix_scan(void)
         }
         debouncing = false;
     }
+    matrix_scan_quantum();
     return 1;
 }