Design: inline suggested actions

Feature Request

(More investigation/details can be found in #3083.)

For simple question and answer, many of our customers use Adaptive Cards instead of suggested actions, probably because:

• The choice of answer is persisted in the transcript
• UX-wise, it is more intuitive to associate the answer to the question, as they appear in the same message bubble

However, Adaptive Cards is designed to be repetitively submitted. We are advised by the AC team that we should not disable the AC once it is submitted.

Thus, using AC for answering questions or choosing a path in the dialogue, is not a right approach.

We should make suggested actions more intuitive to use, in order to put bot authors back into the right track.

We did a preliminary investigation about the inline design and it is in #3083.

[feature-request]

Start with the preliminary investigation in issue #3083, then determine how an inline suggested-action design should improve the association between a question and its answer. Done should make suggested actions more intuitive for simple question-and-answer or dialogue-path choices without relying on repetitively submitted Adaptive Cards.