* style: change size of postactionbar in incontext discussions
* style: change postfilterbar text color and style
* style: change side bar icon sizes accoording to figma
* style: change margin for post aacording to figmaa
* style: change add a post style aaccording to figma
* refactor: remove unnecessary spaces
* refactor: use lineheight24 aand fontstyle class
---------
Co-authored-by: Mehak Nasir <67791278+mehaknasir@users.noreply.github.com>
* style: post content design updates
* fix: fixing test cases
* fix: preview p changed from capital to small and 2px focus state border
* style: comment time moved next to author name
* fix: fixed post style according to figma
* test: added test cases for hover card component
* refactor: added utility func to check if last element of list
* fix: fixed blur event for actions dropdown
* fix: review fixees
* test: fixed test cases post mathjax-v3 merge
---------
Co-authored-by: Mehak Nasir <mehaknasir94@gmail.com>
