[Epic] Overhaul Entity Picker

[luizarakaki]

Product Doc
Technical Design

Milestone 1: collection picker and mover (admin/webapp)

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1. CollectionPicker #36411
   26 of 27
   .Team/AdminWebapp +1
   
2. CollectionMover #37833
   +0
   
3. CollectionPicker improvements #39702
   2 of 3
   .Team/AdminWebapp Organization/ +2
4. Make EntityPicker child-aware #39432
   +0
   

Milestone 2: question picker (admin/webapp)

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1. Question/Model Picker #36376
   +0
   

Milestone 3: dashboard picker (admin/webapp)

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1. DashboardPicker #39140
   +0
   

Milestone 4: recents (admin/webapp)

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1. Beef up Recents 🥩 #41957
   6 of 6
   .Backend Organization/Collections +2
   
2. Entity Picker Recents Tab #39528
   Type:New Feature +1
   

Milestone 5: data picker (qc)

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1. Refactor types in CollectionPicker #40377
   .Team/QueryingComponents no-backport +2
   
2. Open currently selected item's tab by default #42774
   .Frontend +1
   
3. [Epic] Data picker #40717
   11 of 11
   .Epic .Frontend .Team/QueryingComponents +3
   
4. Metrics Picker #39431
   +0

Cleanup

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1. misc entitypicker cleanup #41667
   +0
2. Auto-scroll to selected DataPicker item (vertically) #42274
   .Frontend Priority:P3 Querying/GUI Type:Bug +4
3. Style entity icons #40950
   .Frontend .Team/QueryingComponents +2
4. Empty collections handling #42687
   .Backend .Frontend Type:Bug +3
5. Improve api/activity/recent_items performance #43092
   .Backend .Performance .Task .Team/AdminWebapp +4
   

Issues that should be handled:

• Data Selector opens with database field picker if no saved questions exist, but models exist #25142
• In the data picker, make the interaction for schema browsing more like the new interaction for browsing collections #16862
• When joining, the Raw Data selection shouldn't make me pick the database I'm using again #20406
• Display Table Metadata when asking user to 'Pick your starting data' #14596
• Large sets of collections in the Move modal takes a long time to load or doesn't work #30117
• When moving a collection, invalid choices should just be disabled #21786
• Update the data picker starting point when working with Models #27101
• Data selector not working in FullApp embedding if going directly from location that hasn't loaded /api/database yet #21511
• Saved Questions data selector lists all questions for collections with the same name #24660

[luizarakaki]

Previous work #27160

[kamilmielnik]

I changed the order of milestones 2 & 3 because QuestionPicker component will be reused in DataPicker component.