added check if a user participates in a thread, if it is the user doesn't receive mention notifications bc the user already getting reply notification. Deleted thread() method from App\Models\reply because it doesn't work since reply has morphtomany relationship with App\Models\Thread (#940)

issue#937

Co-authored-by: sodu <sparsiev@firmidea.com>

Author: sodu-parsiev

app/Listeners/NotifyUsersMentionedInReply.php

@@ -12,7 +12,7 @@ final class NotifyUsersMentionedInReply
     public function handle(ReplyWasCreated $event): void
     {
         $event->reply->mentionedUsers()->each(function ($user) use ($event) {
-            if (! $user->hasBlocked($event->reply->author())) {
+            if (! $user->hasBlocked($event->reply->author()) && ! $event->reply->replyAble()->participants()->contains($user)) {
                 $user->notify(new MentionNotification($event->reply));
             }
         });

app/Models/Reply.php

@@ -155,11 +155,6 @@ public function spamReportersRelation(): MorphToMany
         )->withTimestamps();
     }
 
-    public function thread(): BelongsTo
-    {
-        return $this->belongsTo(Thread::class);
-    }
-
     public function scopeIsSolution(Builder $builder): Builder
     {
         return $builder->has('solutionTo');