feature: Show composer status in web validate. (#8181)

* Show composer status in web validate.
Don't duplicate in validate.php

* Create variable to check if a group has been completed.
No longer skips database checks.
Extract a base class.
Fix locate_binary and find_executable issues (mostly exposed by lack of db)

* Update Validator.php

LibreNMS/Validations/DistributedPoller.php

@@ -33,11 +33,12 @@
 namespace LibreNMS\Validations;
 
 use LibreNMS\Config;
-use LibreNMS\Interfaces\ValidationGroup;
 use LibreNMS\Validator;
 
-class DistributedPoller implements ValidationGroup
+class DistributedPoller extends BaseValidation
 {
+    protected static $RUN_BY_DEFAULT = false;
+
     /**
      * Validate this module.
      * To return ValidationResults, call ok, warn, fail, or result methods on the $validator
@@ -74,14 +75,4 @@ class DistributedPoller implements ValidationGroup
             Rrd::checkRrdcached($validator);
         }
     }
-
-    /**
-     * Returns if this test should be run by default or not.
-     *
-     * @return bool
-     */
-    public function isDefault()
-    {
-        return false;
-    }
 }