fix: rm grace period field for reports modal

[riahk]

SUMMARY

• Only show 'grace period' input field for alerts
• Minor styling fix for dropdown widths

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TEST PLAN

• Update modal spec file

ADDITIONAL INFORMATION

• Has associated issue:
• Changes UI
• Requires DB Migration.
• Confirm DB Migration upgrade and downgrade tested.
• Introduces new feature or API
• Removes existing feature or API

[codecov-io]

Codecov Report

Merging #12800 (ce40788) into master (a0e05a5) will decrease coverage by 7.81%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master   #12800      +/-   ##
==========================================
- Coverage   67.00%   59.19%   -7.82%     
==========================================
  Files        1022      965      -57     
  Lines       50105    47304    -2801     
  Branches     5191     4440     -751     
==========================================
- Hits        33572    28000    -5572     
- Misses      16402    19304    +2902     
+ Partials      131        0     -131     

Flag	Coverage Δ
cypress	50.91% <0.00%> (-0.01%)	⬇️
javascript	?
python	63.90% <ø> (-0.17%)	⬇️

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

Impacted Files	Coverage Δ
...frontend/src/views/CRUD/alert/AlertReportModal.tsx	4.43% <0.00%> (-42.33%)	⬇️
...uperset-frontend/src/dashboard/util/dnd-reorder.js	0.00% <0.00%> (-100.00%)	⬇️
...rset-frontend/src/dashboard/util/getEmptyLayout.js	0.00% <0.00%> (-100.00%)	⬇️
...dashboard/components/resizable/ResizableHandle.jsx	0.00% <0.00%> (-100.00%)	⬇️
...dashboard/components/nativeFilters/ScopingTree.tsx	6.25% <0.00%> (-93.75%)	⬇️
.../src/dashboard/util/getFilterScopeFromNodesTree.js	0.00% <0.00%> (-93.48%)	⬇️
...set-frontend/src/views/CRUD/alert/ExecutionLog.tsx	11.76% <0.00%> (-88.24%)	⬇️
...src/dashboard/components/gridComponents/Header.jsx	10.52% <0.00%> (-86.85%)	⬇️
superset-frontend/src/components/IconTooltip.tsx	13.33% <0.00%> (-86.67%)	⬇️
...rc/dashboard/components/gridComponents/Divider.jsx	13.33% <0.00%> (-86.67%)	⬇️
... and 399 more

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[willbarrett]

LGTM once CI is green.

[nytai]

hmm, what's up with the CHANGELOG.md changes? Was that intentional?

[willbarrett]

Gah! GH had it collapsed and I didn't notice - good catch @nytai