ENGCOM-4146: Fixed #17861 Customer Name Prefix shows white space when extra separator is addes #20896

 - Merge Pull Request #20896 from opencommerce/magento2:2.3-developPR17861
 - Merged commits:
   1. 8ff4aa5
   2. fa72ee7

Author: magento-engcom-team

app/code/Magento/Customer/Model/Options.php

@@ -8,7 +8,11 @@
 use Magento\Config\Model\Config\Source\Nooptreq as NooptreqSource;
 use Magento\Customer\Helper\Address as AddressHelper;
 use Magento\Framework\Escaper;
+use Magento\Store\Api\Data\StoreInterface;
 
+/**
+ * Customer Options.
+ */
 class Options
 {
     /**
@@ -38,7 +42,7 @@ public function __construct(
     /**
      * Retrieve name prefix dropdown options
      *
-     * @param null $store
+     * @param null|string|bool|int|StoreInterface $store
      * @return array|bool
      */
     public function getNamePrefixOptions($store = null)
@@ -52,7 +56,7 @@ public function getNamePrefixOptions($store = null)
     /**
      * Retrieve name suffix dropdown options
      *
-     * @param null $store
+     * @param null|string|bool|int|StoreInterface $store
      * @return array|bool
      */
     public function getNameSuffixOptions($store = null)
@@ -64,7 +68,9 @@ public function getNameSuffixOptions($store = null)
     }
 
     /**
-     * @param $options
+     * Unserialize and clear name prefix or suffix options.
+     *
+     * @param string $options
      * @param bool $isOptional
      * @return array|bool
      *
@@ -78,6 +84,7 @@ protected function _prepareNamePrefixSuffixOptions($options, $isOptional = false
 
     /**
      * Unserialize and clear name prefix or suffix options
+     *
      * If field is optional, add an empty first option.
      *
      * @param string $options