[templates/angular] [templates/angular-sxp] [templates/angular-xmcloud] Updates for Angular XMC sample to work well with local containers and spa-starters monorepo in xmcloud-foundation

[templates/angular] [templates/angular-sxp] [templates/angular-xmcloud] Updates for Angular XMC sample to work well with local containers and spa-starters monorepo in xmcloud-foundation #350