submitAgentInput returned "noop" for empty messages regardless of allowEmptySubmit, breaking the new-workspace empty-submit flow. Now the flag is passed from Composer through to submitAgentInput so empty submissions are allowed when the prop is set.
submitAgentInput returned "noop" for empty messages regardless of allowEmptySubmit, breaking the new-workspace empty-submit flow. Now the flag is passed from Composer through to submitAgentInput so empty submissions are allowed when the prop is set.