Fixes #11296: Added date picker validations

[KarishmaVanwari]

Added following date validations for the datepicker:

1. From date should be on or before today
2. To date should be on or before today
3. From and to dates should form a valid date range

Fixes #11296

Video:

2022-07-22.04-46-30_Trim.mp4

Make sure these boxes are checked before your pull request (PR) is ready to be reviewed and merged. Thanks!

• PR is descriptively titled 📑 and links the original issue above 🔗
• tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR -- or run tests locally with rake test
• code is in uniquely-named feature branch and has no merge conflicts 📁
• screenshots/GIFs are attached 📎 in case of UI updation
• ask @publiclab/reviewers for help, in a comment below

[gitpod-io]

[codeclimate]

Code Climate has analyzed commit d2e8aeb and detected 0 issues on this pull request.

View more on Code Climate.

[github-actions]

This pull request generated screenshots of many common pages in the running app. You should be able to download and view them here:
https://github.com/publiclab/plots2/suites/7469078584/artifacts/306030509

[codecov]

Codecov Report

Merging #11297 (d2e8aeb) into main (28fafcb) will decrease coverage by 0.11%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #11297      +/-   ##
==========================================
- Coverage   82.46%   82.35%   -0.12%     
==========================================
  Files          98       98              
  Lines        5995     5995              
==========================================
- Hits         4944     4937       -7     
- Misses       1051     1058       +7     

Impacted Files	Coverage Δ
app/services/execute_search.rb	88.88% <0.00%> (-5.56%)	⬇️
app/api/srch/search.rb	66.66% <0.00%> (-3.85%)	⬇️

[jywarren]

This looks really nice! Thanks a lot @KarishmaVanwari !!!

[KarishmaVanwari]

Thank you @jywarren!!