Add tooltips in search results page

[shinyichen]

Add tooltips to the following:

• Quick icons
• ORCID claim button
• Notifications button
• Highlights button
• Show abstract (down caret)

[codecov]

Codecov Report

❌ Patch coverage is 5.26316% with 36 lines in your changes missing coverage. Please review.
✅ Project coverage is 69.7%. Comparing base (6fcc443) to head (9fb910b).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
src/components/Orcid/AddToOrcidButton.tsx	5.3%	18 Missing ⚠️
src/components/Orcid/DeleteFromOrcidButton.tsx	5.3%	18 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #739     +/-   ##
========================================
- Coverage    69.9%   69.7%   -0.1%     
========================================
  Files         220     220             
  Lines       24478   24562     +84     
  Branches     1304    1303      -1     
========================================
+ Hits        17086   17103     +17     
- Misses       7357    7424     +67     
  Partials       35      35             

Files with missing lines	Coverage Δ
src/components/Orcid/AddToOrcidButton.tsx	25.0% <5.3%> (-0.9%)	⬇️
src/components/Orcid/DeleteFromOrcidButton.tsx	25.5% <5.3%> (-0.8%)	⬇️

... and 3 files with indirect coverage changes

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[thostetler]

Looks good