Make depot views iterate over depot entries and not groups

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.3.0 CE GA1, Master
• Component/s: Asset Libraries
• Labels: None
• Sprint: LIMA | #11 | Jan08-Jan21, LIMA | #12 | Jan21-Feb04, LIMA | #13 | Feb04-Feb18, LIMA | #14 | Feb18-Mar03
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/83408

First step to add depot's own search.