[FEATURE] Update UI design for the Connection pages

[ianmuchyri]

Is there an existing feature request for this?

• I have searched the existing feature requests

Is your feature request related to a problem? Please describe.

The current user interface is not good

Describe the feature you are requesting, as well as the possible use case(s) for it.

We need to update the user interface for these pages such as channelThings page etc. Update items such as the buttons (the plus button is not that intuitive)

Indicate the importance of this feature to you.

• Must-have
• Should-have
• Nice-to-have

Anything else?

No response