Issue in the Bss_ProductLabel module on Magento 2.4.4 (PHP 8.1)

error.log

1 exception(s):
Exception #0 (Exception): Deprecated Functionality: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /var/www/html/vendor/bsscommerce/product-label/Helper/Data.php on line 147

fix-bss-product-label.diff

diff --git a/Helper/Data.php b/Helper/Data.php
index 28b2cc6..b840f3e 100644
--- a/Helper/Data.php
+++ b/Helper/Data.php
@@ -131,22 +131,21 @@ class Data extends \Magento\Framework\App\Helper\AbstractHelper
      */
     public function isNotDisplayOn()
     {
-        $display = $this->scopeConfig->getValue(
+        return (string) $this->scopeConfig->getValue(
             'productlabel/general/not_display_label_on',
             \Magento\Store\Model\ScopeInterface::SCOPE_STORE
         );
-        return $display;
     }

     /**
-     * @param \Bss\ProductLabel\Model\Config\Source\PageDisplayLabel $page
+     * @param string $page
      * @return bool
      */
-    public function isSystemConfigAllow($page)
+    public function isSystemConfigAllow(string $page): bool
     {
         $pos = strpos($this->isNotDisplayOn(), $page);

-        return ( ($this->isEnable() == true) && ($pos === false) );
+        return $this->isEnable() === true && $pos === false;
     }

     /**