fix(call notification): should close after accepted the call KAB-163

Before:
- call notification is not closed when the callee clicked the accept link

After:
- call notification is now closed after the callee clicked the accept link

Notes:
After several times failed to implement the accept click handler then I found this comment on how we should put the click handler:
https://github.com/sciactive/pnotify/issues/18#issuecomment-7084715
Merge branch 'working-on-kab-163' into release-0.3.13
chore(changelog): update changelog for v0.3.14
Bump version
Merge branch 'release-0.3.14'