Revert "Enable case-insensitive search in MySQL 8.7+ JSON fields"

This reverts commit 07fd050.

Author: ivanvermeyen

src/UniqueTranslationValidator.php

@@ -231,12 +231,12 @@ protected function findTranslation($connection, $table, $column, $locale, $value
     {
         // Properly escape backslashes to work with LIKE queries...
         // See: https://stackoverflow.com/questions/14926386/how-to-search-for-slash-in-mysql-and-why-escaping-not-required-for-wher
-        $value = str_replace('\\', '\\\\', $value);
+        $value = str_replace('\\', '\\\\\\\\', $value);
 
         return DB::connection($connection)->table($table)
             ->where(function ($query) use ($column, $locale, $value) {
-                $collation = $query->getConnection()->getConfig()['collation'];
-                $query->whereRaw($column . '->"$.' . $locale . '" COLLATE ' . $collation . ' = ?', "\"{$value}\"");
+                $query->where($column, 'LIKE', "%\"{$locale}\": \"{$value}\"%")
+                    ->orWhere($column, 'LIKE', "%\"{$locale}\":\"{$value}\"%");
             });
     }