Fix notice in Snippet Manager caused by new plugins
Fix notice in Snippet Manager caused by new plugins

This issue was found by community member Synonymous in the #shopware IRC
channel.

JonidBendo/shopware,k10r/shopware,oktupol/shopware,jhit/shopware,k10r/shopware,jhit/shopware,oktupol/shopware,mreiss/shopware,JonidBendo/shopware,NetInventors/shopware,philippmahlow/shopware,wesolowski/shopware,simkli/shopware,JonidBendo/shopware,k10r/shopware,s-haase/shopware,s-haase/shopware,NetInventors/shopware,wesolowski/shopware,simkli/shopware,wolv-dev/shopware,Pttde/shopware,k10r/shopware,mreiss/shopware,Pttde/shopware,wesolowski/shopware,Pttde/shopware,egoistIT/shopware,jochenmanz/shopware,oktupol/shopware,jhit/shopware,philippmahlow/shopware,s-haase/shopware,oktupol/shopware,egoistIT/shopware,Pttde/shopware,DerRidda/shopware,DerRidda/shopware,s-haase/shopware,wesolowski/shopware,mreiss/shopware,egoistIT/shopware,NetInventors/shopware,NetInventors/shopware,JonidBendo/shopware,jochenmanz/shopware,simkli/shopware,simkli/shopware,wolv-dev/shopware,philippmahlow/shopware,wolv-dev/shopware,wolv-dev/shopware,wolv-dev/shopware,jochenmanz/shopware,simkli/shopware,JonidBendo/shopware,DerRidda/shopware,jochenmanz/shopware,mreiss/shopware,mreiss/shopware,philippmahlow/shopware,jhit/shopware,oktupol/shopware,philippmahlow/shopware,Pttde/shopware,s-haase/shopware,jhit/shopware,k10r/shopware,wesolowski/shopware,egoistIT/shopware,DerRidda/shopware,DerRidda/shopware,egoistIT/shopware,jochenmanz/shopware,NetInventors/shopware