Bugfix/CUR-1950 team project deletion (ActiveLearningStudio#513)

* PR review fixing

* CUR-1201 fixing

* CUR-1203 and CUR-1201 fixing

* CUR-1950 issue fixing

Author: waleed-backend

Diff for: app/Models/Team.php

@@ -41,6 +41,20 @@ public function invitedUsers()
         return $this->hasMany('App\Models\InvitedTeamUser', 'team_id');
     }
 
+    /**
+     * Cascade on delete the team
+     */
+    public static function boot()
+    {
+        parent::boot();
+
+        self::deleting(function (Team $team) {
+            foreach ($team->projects as $project) {
+                $project->delete();
+            }
+        });
+    }
+
     /**
      * Get the projects for the team
      */