feat: add success toast to alerts and reports

[pkdotson]

SUMMARY

This pr adds success messaging toast when user updates or creates an report or alert.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

Screen.Recording.2022-03-31.at.11.44.15.PM.mov

Screen.Recording.2022-03-31.at.11.42.58.PM.mov

TESTING INSTRUCTIONS

Create and edit an alert and report and view the success toasts.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • 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
• Removes existing feature or API

[codecov]

Codecov Report

Merging #19482 (7707a1e) into master (f91f83d) will increase coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master   #19482      +/-   ##
==========================================
+ Coverage   66.65%   66.68%   +0.02%     
==========================================
  Files        1680     1681       +1     
  Lines       64292    64303      +11     
  Branches     6564     6565       +1     
==========================================
+ Hits        42854    42878      +24     
+ Misses      19736    19730       -6     
+ Partials     1702     1695       -7     

Flag	Coverage Δ
javascript	51.51% <0.00%> (+0.05%)	⬆️

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	52.08% <0.00%> (-0.30%)	⬇️
...ntend/packages/superset-ui-core/src/color/utils.ts	97.14% <0.00%> (-2.86%)	⬇️
...ins/legacy-plugin-chart-partition/src/Partition.js	0.00% <0.00%> (ø)
...ins/legacy-plugin-chart-sankey/src/ReactSankey.jsx	0.00% <0.00%> (ø)
...acy-plugin-chart-paired-t-test/src/PairedTTest.jsx	0.00% <0.00%> (ø)
...rt-parallel-coordinates/src/ParallelCoordinates.js	0.00% <0.00%> (ø)
...allel-coordinates/src/ReactParallelCoordinates.jsx	0.00% <0.00%> (ø)
...gacy-plugin-chart-partition/src/ReactPartition.jsx	0.00% <0.00%> (ø)
...rontend/src/visualizations/FilterBox/FilterBox.jsx	48.85% <0.00%> (+1.19%)	⬆️
superset-frontend/src/components/Select/utils.ts	63.15% <0.00%> (+5.26%)	⬆️
... and 2 more

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[yousoph]

/testenv up

[github-actions]

@yousoph Ephemeral environment spinning up at http://35.88.112.154:8080. Credentials are admin/admin. Please allow several minutes for bootstrapping and startup.

[yousoph]

/testenv up FEATURE_ALERT_REPORTS=True

[github-actions]

@yousoph Ephemeral environment spinning up at http://18.236.135.58:8080. Credentials are admin/admin. Please allow several minutes for bootstrapping and startup.

[github-actions]

Ephemeral environment shutdown and build artifacts deleted.