[ZF-12465] Fix session identifier issue on Zend Server
[ZF-12465] Fix session identifier issue on Zend Server

- Pulls a segment of the identifier for validation prior when Zend Server
  cluster session save handler is detected.

svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework