Fix some psalm issues

Signed-off-by: Christian Wolf <github@christianwolf.email>

lib/Helper/Filter/DB/NormalizeRecipeFileFilter.php

@@ -31,7 +31,8 @@ class NormalizeRecipeFileFilter {
 
 		foreach ($this->filters as $filter) {
 			/** @var AbstractRecipeFilter $filter */
-			$changed |= $filter->apply($json, $recipeFile);
+			$ret = $filter->apply($json, $recipeFile);
+			$changed = $changed || $ret;
 		}
 
 		if ($changed && $updateFiles) {

lib/Helper/Filter/Output/RecipeJSONOutputFilter.php

@@ -3,6 +3,7 @@
 namespace OCA\Cookbook\Helper\Filter\Output;
 
 use OCP\Files\File;
+use OCA\Cookbook\Helper\Filter\JSON\AbstractJSONFilter;
 
 class RecipeJSONOutputFilter {
 	/** @var array */