Cannot select dropdown option set by an object

[plocket]

Those option nodes' values turn out to be base64 versions of the instance names of the values. Here's a failing test in 209APlaintiffMotionToModify.

The idea that I need to install code to try (which is hurting my brain right now):

// In scope.setField
    SELECT: async function ( scope, { handle, set_to }) {
      // This element's option value can be one of two things
      let to_select = await scope.page.evaluate((raw_value) => {
        let elem = document.querySelector(`option[value="${ raw_value }"]`);
        if ( !elem ) {
          let base64_name = await scope.base64( scope, raw_value );
          elem = document.querySelector(`option[value="${ base64_name }"]`);
        }
        
        if ( !elem ) { return `Did not find an option with the value "${ raw_value }"`; }
        else { return elem.value; }
      }, set_to );

      await handle.select( to_select );
      await scope.afterStep(scope, { waitForShowIf: true });
    },