FIX custom rules validation

Author: riccardodallavia

src/Rules/ExistsEncrypted.php

@@ -5,12 +5,15 @@
 use HFarm\Encryptable\Encryption;
 use Illuminate\Contracts\Validation\Rule;
 use Illuminate\Support\Facades\Validator;
+use Illuminate\Support\Str;
 use Illuminate\Validation\Rules\Exists;
 
 class ExistsEncrypted extends Exists implements Rule
 {
     public function passes($attribute, $value): bool
     {
+        $attribute = Str::before($attribute, '.');
+
         return ! Validator::make([
             $attribute => Encryption::php()->encrypt($value),
         ], [

src/Rules/UniqueEncrypted.php

@@ -5,12 +5,15 @@
 use HFarm\Encryptable\Encryption;
 use Illuminate\Contracts\Validation\Rule;
 use Illuminate\Support\Facades\Validator;
+use Illuminate\Support\Str;
 use Illuminate\Validation\Rules\Unique;
 
 class UniqueEncrypted extends Unique implements Rule
 {
     public function passes($attribute, $value): bool
     {
+        $attribute = Str::before($attribute, '.');
+
         return ! Validator::make([
             $attribute => Encryption::php()->encrypt($value),
         ], [