Conditional no results text based on exposed filter values (bypass drupal core bug related to https://www.drupal.org/project/drupal/issues/3024467)

your.module

<?php

/**
 * Implements hook_views_pre_execute().
 */
function HOOK_views_pre_execute(ViewExecutable $view) {
  if (empty($view->exposed_raw_input['title']) && ($view->query->getPluginId() === "search_api_query")) {
    $view->query->abort();
  }
}

/**
 * Implements hook_views_pre_render().
 */
function HOOK_views_pre_render(ViewExecutable $view) {
  if (empty($view->exposed_raw_input['title']) && ($view->query->getPluginId() === "search_api_query")) {
    $view->attachment_after = array('#markup' => t('Select any filter and click on Apply to see results'));
  }
  else if (empty($view->result)) {
    $view->attachment_after = array('#markup' => t('Your search has no results'));
  }
}