Add project filter forms to "Contributed projects" and "Personal projects" on user profile page
### Problem to solve On our [project dashboards](https://gitlab.com/dashboard/projects), there are two forms that allow to search and filter the list of shown projects of the active tab. ![Screen_Shot_2018-08-15_at_4.08.47_PM](/uploads/6b07bddece10ed779bc218b3c4356989/Screen_Shot_2018-08-15_at_4.08.47_PM.png) A corresponding solution is missing on the two project list tabs, "Contributed projects" and "Personal projects", on the user profile page. Let's add these options here as well. ### Further details * Let to slight confusion regarding showing archived projects via https://gitlab.com/gitlab-org/gitlab-ce/issues/50288 (Source: Me) ### Proposal * Add search input and filter dropdown to both "Contributed projects" and "Personal projects" tabs on the user profile page * We might want to explore if we should combine both of these top-level tabs ### What does success look like, and how can we measure that? Once implemented, project lists on the user profile page are consistent with dashboard lists.
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