rusackas opened a new pull request, #20571:
URL: https://github.com/apache/superset/pull/20571

   …itive values (#20408)"
   
   This reverts commit c959d92dd17499e3fb7a0f4f02f3781516f3d3e6.
   
   The PR being reverted bumped echarts and changes the stacking method to 
allow proper stacking of negative values (cool!). However, if a dataset happens 
to display `null` values as bar segments, clicking on the legend causes the 
chart display to become VERY erratic in terms of what's displayed/hidden in the 
stacked bars - things disappear completely!
   
   <!---
   Please write the PR title following the conventions at 
https://www.conventionalcommits.org/en/v1.0.0/
   Example:
   fix(dashboard): load charts correctly
   -->
   
   ### SUMMARY
   <!--- Describe the change below, including rationale and design decisions -->
   
   ### BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF
   Before:
   
   
https://user-images.githubusercontent.com/812905/176741409-6d0aaffe-4af4-4e10-802e-2f1ae591d1f0.mp4
   
   After: coming soon... but it works, trust me ;)
   
   <!--- Skip this if not applicable -->
   
   ### TESTING INSTRUCTIONS
   <!--- Required! What steps can be taken to manually verify the changes? -->
   
   Create a dataset with this query
   ```sql
   SELECT TO_DATE('2011-01-01', 'yyyy-MM-dd') as d, 1 as city, 1 as count
   union all SELECt TO_DATE('2011-01-01', 'yyyy-MM-dd'), 1, 1
   union all SELECt TO_DATE('2011-01-01', 'yyyy-MM-dd'), 1, null
   union all SELECt TO_DATE('2011-01-01', 'yyyy-MM-dd'), 2, 1
   union all SELECt TO_DATE('2011-01-01', 'yyyy-MM-dd'), 2, null
   union all SELECt TO_DATE('2012-01-01', 'yyyy-MM-dd'), 2, null
   union all SELECt TO_DATE('2013-01-01', 'yyyy-MM-dd'), 2, null
   union all SELECt TO_DATE('2013-01-01', 'yyyy-MM-dd'), 2, 1
   ```
   ...then make Timeseries Bar Chart V2 as shown in the GIF. Click around on 
the labels and see if you see all the right bars at all times.
   
   ### ADDITIONAL INFORMATION
   <!--- Check any relevant boxes with "x" -->
   <!--- HINT: Include "Fixes #nnn" if you are fixing an existing issue -->
   - [ ] Has associated issue:
   - [ ] Required feature flags:
   - [x] Changes UI
   - [ ] Includes DB Migration (follow approval process in 
[SIP-59](https://github.com/apache/superset/issues/13351))
     - [ ] Migration is atomic, supports rollback & is backwards-compatible
     - [ ] Confirm DB migration upgrade and downgrade tested
     - [ ] Runtime estimates and downtime expectations provided
   - [ ] Introduces new feature or API
   - [x] Removes existing feature or API
   


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