[DNM]feat(demo): refine header action and support RTM presence

[shczhen]

Scope

demo

Purpose

1. Support read status info from RTM presence
2. Refine header actions

CheckList

• [x] Add LOGO
• [x] Remove Channel Name from header center position
• [x] Remove color palette
• [x] Remove network indicator
• [ ] New status info display from RTM presence