fix(design-v2): color consolidation and other fixes

[kristian-mkd]

Overview

• consolidates the theme colors
• adds support for Light/Dark theme for the dogfood app
• updates the Lobby screen per design-v2
• updates iOS config so that iPad is target device as well
  • solves issues when the app is shown on iPad is not constrained in smaller screen size
• fixes speech indicator issue to be animating only when the user is speaking
• fixes participant name, network indicator and reaction position issues
• updates the FLOATING_VIDEO_VIEW_STYLE width and height to bigger values according to new design-v2
• removes hardcoded Lobby video height const from the SDK LOBBY_VIDEO_VIEW_HEIGHT
• fixes call recording modal and bottom drawer orientation issues

Screenshots