fix: centralize authn MFE branding and remove duplicate context#226

subhashree-sahu31 wants to merge 2 commits intorelease-ulmoedx/edx-platform:release-ulmofrom

AUT-112-organization-names-not-being-recognized-in-sso-login-screen-hotfixedx/edx-platform:AUT-112-organization-names-not-being-recognized-in-sso-login-screen-hotfixCopy head branch name to clipboard