Update login page#20255

roboquat merged 12 commits intomaingitpod-io/gitpod:mainfrom

siddhant/gro-757-change-login-screen-for-gitpodiologin-and-git-context-loginsgitpod-io/gitpod:siddhant/gro-757-change-login-screen-for-gitpodiologin-and-git-context-loginsCopy head branch name to clipboard