To Enable Deselection of item from side bar

[shivambalwani]

Issue:
when we click on any component on sidebar ,we get directed to header page and header gets selected with grey coloured selection .Now, if we click on the playground title , we get redirected to home page , but header was still selected

[mhmd21]

@sandyabhi, @ARJUN-SABU has already done a PR for this issue.