[LiveComponent] add controller tag and default metadata values for all service declaration types#3143

FabienSalles wants to merge 1 commit intosymfony:2.xsymfony/ux:2.xfrom

FabienSalles:feat/add-default-parameters-to-none-atttributes-declarationFabienSalles/symfony-ux:feat/add-default-parameters-to-none-atttributes-declarationCopy head branch name to clipboard