Keystore file is not recognized by Editor when keystore has any other extension than .keystore

How to reproduce:
1. Download the attached project "1398997.zip"
2. In Project Settings go to Player Settings > Publishing Settings
3. In the Project Keystore area try selecting keystore from project folder, it can be selected
4. Change "user.keystore" file extension to "user.jks" in the project folder
5. Try repeating step 3

Expected result: The keystore with ".jks" extension is shown, can be selected and used like ".keystore" extension files
Actual result: The keystore with ".jks" extension can't be selected and used

Reproducible with: 2019.4.35f1, 2020.3.28f1, 2021.2.11f1, 2022.1.0b7, 2022.2.0a5