How to prevent PHPStorm / IntelliJ IDEA from excluding `vendor` subfolders from a project?

IntelliJ IDEA
,
1

2023-06-30--01-37-39

intellij-support.jetbrains.com/hc/en-us/community/posts/360000112599

2

Step 1. Update the project's setting

2023-06-30--01-43-56

Step 2. Update the default setting

2023-06-30--01-47-17

intellij-support.jetbrains.com/hc/en-us/community/posts/360000112599/comments/360000038319