fix: superset alerting misc fixes

[bkyryliuk]

SUMMARY

• removed logs & other stuff from the alert view
• change created by to the owner in the alert view
• changed alert & observation log sorting by date desc
• show validator config in the list
• 0 results doesn't work in the validation: link

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

Before:

After:

TEST PLAN

• unit tests
• local
• dropbox staging

[codecov-commenter]

Codecov Report

Merging #10891 into master will increase coverage by 0.17%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master   #10891      +/-   ##
==========================================
+ Coverage   59.15%   59.32%   +0.17%     
==========================================
  Files         778      778              
  Lines       37123    37103      -20     
  Branches     3310     3310              
==========================================
+ Hits        21959    22013      +54     
+ Misses      14973    14904      -69     
+ Partials      191      186       -5     

Flag	Coverage Δ
#cypress	55.34% <ø> (+0.44%)	⬆️
#python	61.47% <100.00%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
superset/models/alerts.py	96.84% <100.00%> (+0.03%)	⬆️
superset/tasks/alerts/validator.py	95.23% <100.00%> (-0.12%)	⬇️
superset/tasks/schedules.py	76.80% <100.00%> (-0.07%)	⬇️
superset/views/alerts.py	84.41% <100.00%> (+10.45%)	⬆️
superset/db_engine_specs/presto.py	82.28% <0.00%> (+0.67%)	⬆️
...rontend/src/SqlLab/components/AceEditorWrapper.tsx	52.43% <0.00%> (+1.21%)	⬆️
superset-frontend/src/SqlLab/reducers/sqlLab.js	12.86% <0.00%> (+1.65%)	⬆️
...end/src/SqlLab/components/TemplateParamsEditor.jsx	91.42% <0.00%> (+2.85%)	⬆️
...erset-frontend/src/SqlLab/components/SqlEditor.jsx	49.09% <0.00%> (+3.03%)	⬆️
superset-frontend/src/components/TableSelector.jsx	52.94% <0.00%> (+3.26%)	⬆️
... and 5 more

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[willbarrett]

Let's get some tests around these fixes.

[bkyryliuk]

Let's get some tests around these fixes.

good reminder :) added the test