feat: implement consistent UI styling across streaming components#481

Fr4nc3 merged 1 commit intomacae-v3-dev-v2-vipmicrosoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator:macae-v3-dev-v2-vipfrom

macae-BS-UI-ChatChangesmicrosoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator:macae-BS-UI-ChatChangesCopy head branch name to clipboard