fix(webapp): Tag Explorer loading spinner consistent with other pages

[pavelpashkovsky]

Brief

• [tag explorer] Make loading spinner consistent with other pages #1376

Changes

• DEMO: https://pr-1748.pyroscope.io/

Monosnap.screencast.2022-11-21.12-39-10.mp4

[codecov]

Codecov Report

Base: 66.25% // Head: 66.24% // Decreases project coverage by -0.02% ⚠️

Coverage data is based on head (f5752dd) compared to base (6fcc988).
Patch coverage: 66.67% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1748      +/-   ##
==========================================
- Coverage   66.25%   66.24%   -0.01%     
==========================================
  Files         169      169              
  Lines        5561     5562       +1     
  Branches     1260     1261       +1     
==========================================
  Hits         3684     3684              
- Misses       1867     1868       +1     
  Partials       10       10              

Impacted Files	Coverage Δ
.../javascript/redux/reducers/continuous/selectors.ts	56.15% <66.67%> (-1.00%)	⬇️

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[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
webapp/public/assets/app.js	492.49 KB (+0.01% 🔺)	9.9 s (+0.01% 🔺)	4.6 s (+15.47% 🔺)	14.4 s
webapp/public/assets/app.css	19.99 KB (0%)	400 ms (0%)	0 ms (+100% 🔺)	400 ms
webapp/public/assets/styles.css	9.56 KB (0%)	192 ms (0%)	0 ms (+100% 🔺)	192 ms
packages/pyroscope-flamegraph/dist/index.js	131.27 KB (0%)	2.7 s (0%)	2.1 s (+0.02% 🔺)	4.8 s
packages/pyroscope-flamegraph/dist/index.node.js	131.96 KB (0%)	2.7 s (0%)	777 ms (+2.91% 🔺)	3.5 s
packages/pyroscope-flamegraph/dist/index.css	8.29 KB (0%)	166 ms (0%)	0 ms (+100% 🔺)	166 ms

[pavelpashkovsky]

/create-server