[TYPO3-mvc] Fluid cObject into a view helper

[Ludwig Rafelsberger]

Try
<header class="site-header full-size-left" style="background-image: url({f:cObject(typoscriptObjectPath: 'lib.topimage', data:{template:'default'}) -> cmb:image()})">

When chaining inline ViewHelpers, do not close and reopen curly braces.

Cheers, 
Ludwig