Milestone: Type filter selection

[Samdisha]

As a user
Given I have selected the filter icon on the feed, and the filter modal appeared on the screen
When I select the "Type" filter by clicking 'Type' or '+'
Then I should be presented with 'Type' options to select from

Acceptance Criteria:

1. User is able to select multiple tags
2. The apply filters button is highlighted if at least 1 tag is selected
3. The selected filter tag changes colour when selected
4. Clicking on the feature twice should remove the filter selection
5. Clear filters is only highlighted if a filter is selected
6. Clicking on the "-" icon at the bottom right collapses the screen
   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)
7. 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)
8. Clicking on apply filters closes the layout and shows the results