Move the model callbacks into Observables; reduce caching since it held balances incorrectly

app/Models/Journal.php

@@ -34,10 +34,8 @@ class Journal extends BaseModel
         'morphed_id',
     ];
 
-    /**
-     * @var array
-     */
     protected $dates = [
+        'created_at',
         'deleted_at',
         'updated_at'
     ];
@@ -50,20 +48,6 @@ class Journal extends BaseModel
         return $this->morphTo();
     }
 
-    /**
-     * @internal Journal $journal
-     * @throws \UnexpectedValueException
-     * @throws \InvalidArgumentException
-     */
-    protected static function boot()
-    {
-        static::created(function (Journal $journal) {
-            $journal->resetCurrentBalances();
-        });
-
-        parent::boot();
-    }
-
     /**
      * Relationship
      * @return \Illuminate\Database\Eloquent\Relations\BelongsTo