Implement caching on admin event view
Implement caching on admin event view

Resolves https://github.com/openSUSE/osem/issues/1985

rishabhptr/osem,differentreality/osem,openSUSE/osem,bear454/osem,SeaGL/osem,kormoc/osem,differentreality/osem,rishabhptr/osem,hennevogel/osem,hennevogel/osem,openSUSE/osem,namangupta01/osem,differentreality/osem,SeaGL/osem,bear454/osem,openSUSE/osem,bear454/osem,kormoc/osem,namangupta01/osem,namangupta01/osem,bear454/osem,kormoc/osem,AndrewKvalheim/osem,namangupta01/osem,rishabhptr/osem,hennevogel/osem,SeaGL/osem,AndrewKvalheim/osem,differentreality/osem,hennevogel/osem,kormoc/osem,AndrewKvalheim/osem,rishabhptr/osem