resolve PR issues...

- change default keymap to `ALT-L L`
- Move `RED.nodes.createNode` to `RED.view.createNode`
- replace `selectedLinks` with `selection().links`

packages/node_modules/@node-red/editor-client/src/js/keymap.json

@@ -91,6 +91,6 @@
         "alt-a c": "core:align-selection-to-center",
         "alt-a h": "core:distribute-selection-horizontally",
         "alt-a v": "core:distribute-selection-vertically",
-        "alt-l": "core:split-wire-with-link-nodes"
+        "alt-l l": "core:split-wire-with-link-nodes"
      }
 }