Milestone-Feed Filter From Whom

Given: User is on the Home feed, selected the filter button
When user clicks on the "From Whom" + sign
then they will see a list of tags to choose from
when they select a tag
then the tag is highlighted


Acceptance Criteria:
1) User is able to select multiple tags
2) The apply filters button is highlighted if atleast 1 tag is selected
3) the selected tag changes color when selected
4) clear filters is only highlighted if a filter is selected
5) Clicking on the "-" icon at the bottom right, collapses the screen
6) Clicking on apply filters, closes the layout and shows the results
7) Apply filter option should be updated based on the number of filters selected. (For eg: If there is only 1 filter applied, then it will say 'Apply filters', but for x filters applied, the option will say 'Apply x filters' as seen in the mocks)
8) The number of features selected should also be displayed next to the From Whom filter on the modal. (For eg: If there is only 1 filter applied, then it will say 1 filter applied)
9) Clicking on apply filters closes the layout and shows the results