avoid showing the same contact multiple times at Suggestions

app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt

@@ -371,8 +371,10 @@ fun Context.getSuggestedContacts(): ArrayList<Contact> {
         val senderName = namePhoto.name
         val photoUri = namePhoto.photoUri ?: ""
         val contact = Contact(0, senderName, photoUri, senderNumber)
+        if (!contacts.map { it.phoneNumber.trimToComparableNumber() }.contains(senderNumber.trimToComparableNumber())) {
             contacts.add(contact)
         }
+    }
 
     return contacts
 }