message: better handle focus on structure update
  fixes
diff: @@ -164,7 +164,10 @@ export class StructureFocusManager extends StatefulPluginComponent<StructureFocu
  plugin.state.data.events.object.updated.subscribe(({ oldData, obj, action }) => {
  if (!PluginStateObject.Molecule.Structure.is(obj)) return;
  + // structure NOT changed, keep everything as is; fixes #123
  + if (oldData === obj.data) return;
  + // structure changed (e.g. coordinates), try to remap and re-focus
  if (action === 'in-place') {
  const current = this.state.current;
  const structure = obj.data as Structure;
  