[BUG]: ConfigFactory::Load() fails if path contains dot

[ruudboon]

If the path contains a dot the extension will not be added.

https://github.com/phalcon/cphalcon/runs/403253837#step:12:74

Expecting bug here: https://github.com/phalcon/cphalcon/blob/master/phalcon/Config/ConfigFactory.zep#L104

Phalcon 4.0.2
Php: any

[niden]

Resolved in #14757 (comment)