fix: overdue embargo handling (#1415)

* fix: overdue embargo handling state and notices

* composer update

Author: NishaSharma14

app/Models/Project.php

@@ -9,7 +9,6 @@
 use App\Notifications\ProjectDeletionReminderNotification;
 use App\Traits\CacheClear;
 use Auth;
-use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -106,17 +105,7 @@ public function getProjectPhotoUrlAttribute()
 
     public function getIsPublishedAttribute()
     {
-        if ($this->is_public) {
-            return true;
-        } else {
-            if ($this->release_date && $this->doi) {
-                return Carbon::now()->startOfDay()->gte($this->release_date);
-            } else {
-                return false;
-            }
-        }
-
-        return false;
+        return (bool) $this->is_public;
     }
 
     /**