fix: QrCode relation bug and Endroid create() error

app/Models/QrCode.php

@@ -23,6 +23,7 @@ class QrCode extends Model
         'status',
         'replacement_for_id',
         'assigned_to_household_id',
+        'assigned_to_user_id',
         'assigned_to_store_id',
         'allocated_at',
         'activated_at',
@@ -54,7 +55,7 @@ class QrCode extends Model
     public function getActivitylogOptions(): LogOptions
     {
         return LogOptions::defaults()
-            ->logOnly(['status', 'assigned_to_household_id', 'assigned_to_store_id', 'used_at_drop_off_id'])
+            ->logOnly(['status', 'assigned_to_household_id', 'assigned_to_user_id', 'assigned_to_store_id', 'used_at_drop_off_id'])
             ->logOnlyDirty()
             ->dontSubmitEmptyLogs()
             ->useLogName('qr_code');
@@ -70,6 +71,11 @@ class QrCode extends Model
         return $this->belongsTo(Household::class, 'assigned_to_household_id');
     }
 
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'assigned_to_user_id');
+    }
+
     public function usedAtDropOff(): BelongsTo
     {
         return $this->belongsTo(DropOffPoint::class, 'used_at_drop_off_id');