Revert response key clearing, but redirect to URL based on current run

[#75825078]
Fix home button in activity page navigation

[#75825078]

It got broken due to run resume feature.
Use URLs with 'sequence' segment while pointing to activity index page

[#75825078]
Fix typo in haml template

[#75825078]
Uppdate #runnable_activity_path helper spec

[#75825078]