feat(quantic): Allow RGA component to provide a custom "no answer" message when no answer is shown

[SimonMilord]

SFINT-5926

IN THIS PR:

DEMO:

TESTS:

[github-actions]

Pull Request Report

PR Title

❌ Title should follow the conventional commit spec:
<type>(optional scope): <description>

Example: feat(headless): add result-list controller

Live demo links

• Storybook

• Playwright report

Bundle Size

File	Old (kb)	New (kb)	Change (%)
case-assist	243.9	243.9	0
commerce	355.2	355.2	0
search	415.1	415.1	0
insight	406.3	406.3	0
recommendation	256.2	256.2	0
ssr	409	409	0
ssr-commerce	373	373	0

SSR Progress

Use case	SSR (#)	CSR (#)	Progress (%)
search	39	44	89
recommendation	0	4	0
case-assist	0	6	0
insight	0	27	0
commerce	0	15	0

Detailed logs

search : buildInteractiveResult
search : buildInteractiveInstantResult
search : buildInteractiveRecentResult
search : buildInteractiveCitation
search : buildGeneratedAnswer
recommendation : missing SSR support
case-assist : missing SSR support
insight : missing SSR support
commerce : missing SSR support