Merge pull request #4292 from Laravel-Backpack/add-viewNamespace-alias-for-array-definition

add viewNamespace alias to array definition for consistency

Author: tabacitu

src/app/Library/CrudPanel/CrudFilter.php

@@ -40,7 +40,7 @@ public function __construct($options, $values, $logic, $fallbackLogic)
             $this->key = Str::camel($options['name']);
             $this->type = $options['type'] ?? $this->type;
             $this->label = $options['label'] ?? $this->crud()->makeLabel($this->name);
-            $this->viewNamespace = $options['view_namespace'] ?? $this->viewNamespace;
+            $this->viewNamespace = $options['viewNamespace'] ?? $options['view_namespace'] ?? $this->viewNamespace;
             $this->view = $this->type;
             $this->placeholder = $options['placeholder'] ?? '';