fix: Disallow toolbox/insert during a keyboard-driven move (#425)

* fix: Disallow toolbox/insert during a keyboard-driven move

* Review feedback

Author: microbit-robert

src/actions/insert.ts

@@ -101,7 +101,9 @@ export class InsertAction {
    * @returns True iff `insertCallback` function should be called.
    */
   private insertPrecondition(workspace: WorkspaceSvg): boolean {
-    return this.navigation.canCurrentlyEdit(workspace);
+    return (
+      !workspace.isDragging() && this.navigation.canCurrentlyEdit(workspace)
+    );
   }
 
   /**

src/navigation_controller.ts

@@ -244,7 +244,7 @@ export class NavigationController {
     focusToolbox: {
       name: Constants.SHORTCUT_NAMES.TOOLBOX,
       preconditionFn: (workspace) =>
-        this.navigation.canCurrentlyEdit(workspace),
+        !workspace.isDragging() && this.navigation.canCurrentlyEdit(workspace),
       callback: (workspace) => {
         switch (this.navigation.getState(workspace)) {
           case Constants.STATE.WORKSPACE: