snatchpad: update layout data (#16476)

Fixes key overlaps in QMK Configurator.

keyboards/handwired/snatchpad/info.json

@@ -5,16 +5,16 @@
     "layouts": {
         "LAYOUT": {
             "layout": [
-                {"x": 0, "y": 0},
                 {"x": 1, "y": 0},
                 {"x": 2, "y": 0},
+                {"x": 3, "y": 0},
 
-                {"x": 0, "y": 1},
                 {"x": 1, "y": 1},
                 {"x": 2, "y": 1},
+                {"x": 3, "y": 1},
 
-                {"x": 0, "y": 1},
-                {"x": 2, "y": 1}
+                {"x": 0, "y": 2},
+                {"x": 4, "y": 2}
             ]
         }
     }