Dashboard widget update (#9515)

Implemented in Laravel
Doesn't use legacy PHP session
Several widgets have new features and settings, for example:

- Multiple ports in one graph
- Maps settings are configurable and override system settings but default to system settings
- Graylog stream and/or device selection
- Much improved graph widget selection
- Many more

DO NOT DELETE THIS TEXT

#### Please note

> Please read this information carefully. You can run `./scripts/pre-commit.php` to check your code before submitting.

- [x] Have you followed our [code guidelines?](http://docs.librenms.org/Developing/Code-Guidelines/)

#### Testers

If you would like to test this pull request then please run: `./scripts/github-apply <pr_id>`, i.e `./scripts/github-apply 5926`
After you are done testing, you can remove the changes with `./scripts/github-remove`.  If there are schema changes, you can ask on discord how to revert.

includes/common.php

@@ -19,6 +19,7 @@
 use LibreNMS\Authentication\LegacyAuth;
 use LibreNMS\Config;
 use LibreNMS\Exceptions\InvalidIpException;
+use LibreNMS\Util\Html;
 use LibreNMS\Util\IP;
 
 function generate_priority_label($priority)
@@ -747,9 +748,7 @@ function c_echo($string, $enabled = true)
  */
 function is_mib_graph($type, $subtype)
 {
-    global $config;
-    return isset($config['graph_types'][$type][$subtype]['section']) &&
-        $config['graph_types'][$type][$subtype]['section'] == 'mib';
+    return \LibreNMS\Util\Graph::isMibGraph($type, $subtype);
 } // is_mib_graph
 
 
@@ -1543,28 +1542,9 @@ function clean($value, $strip_tags = true)
  * @param array $purifier_config (key, value pair)
  * @return string
  */
-function display($value, $purifier_config = array())
+function display($value, $purifier_config = [])
 {
-    /** @var HTMLPurifier $purifier */
-    global $config, $purifier;
-
-    // If $purifier_config is non-empty then we don't want
-    // to convert html tags and allow these to be controlled
-    // by purifier instead.
-    if (empty($purifier_config)) {
-        $value = htmlentities($value);
-    }
-    if (!isset($purifier)) {
-        // initialize HTML Purifier here since this is the only user
-        $p_config = HTMLPurifier_Config::createDefault();
-        $p_config->set('Cache.SerializerPath', $config['temp_dir']);
-        foreach ($purifier_config as $k => $v) {
-            $p_config->set($k, $v);
-        }
-        $purifier = new HTMLPurifier($p_config);
-    }
-
-    return $purifier->purify(stripslashes($value));
+    return Html::display($value, $purifier_config);
 }
 
 /**