Update the icon color in onMounted

[obulat]

Fixes

Fixes #5227 by @obulat

Description

This PR replaces the computed values for icon names with ref that are updated in onMounted (which runs after the hydration is done). The license icons and the theme icons are affected, but I can revert the change for the theme switcher if #5236 is the preferred approach, @dhruvkb .

Testing Instructions

Select the "system" mode and refresh a single result page. Make sure your system is set to dark mode by default (or use the browser devtools). Refresh the page and see that there are no client-server mismatch warnings: neither for the theme switcher (sun/moon icons) nor for the license icons on every image result:

Checklist

• My pull request has a descriptive title (not a vague title likeUpdate index.md).
• My pull request targets the default branch of the repository (main) or a parent feature branch.
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added or updated tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.
• I ran the DAG documentation generator (ov just catalog/generate-docs for catalog
  PRs) or the media properties generator (ov just catalog/generate-docs media-props
  for the catalog or ov just api/generate-docs for the API) where applicable.

Developer Certificate of Origin

Developer Certificate of Origin

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(a) The contribution was created in whole or in part by me and I
    have the right to submit it under the open source license
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[github-actions]

Latest k6 run output¹

     ✓ status was 200

     checks.........................: 100.00% ✓ 390      ✗ 0   
     data_received..................: 93 MB   388 kB/s
     data_sent......................: 51 kB   212 B/s
     http_req_blocked...............: avg=42.14µs  min=2.36µs   med=4.76µs   max=1.64ms   p(90)=146.94µs p(95)=178.17µs
     http_req_connecting............: avg=28.73µs  min=0s       med=0s       max=1.59ms   p(90)=100.52µs p(95)=124.1µs 
     http_req_duration..............: avg=196.34ms min=30.24ms  med=162.49ms max=811.34ms p(90)=362.15ms p(95)=399.83ms
       { expected_response:true }...: avg=196.34ms min=30.24ms  med=162.49ms max=811.34ms p(90)=362.15ms p(95)=399.83ms
   ✓ http_req_failed................: 0.00%   ✓ 0        ✗ 390 
     http_req_receiving.............: avg=166.15µs min=61.52µs  med=138.15µs max=1.21ms   p(90)=277.24µs p(95)=336.63µs
     http_req_sending...............: avg=25.21µs  min=8.57µs   med=22.82µs  max=164.13µs p(90)=39.25µs  p(95)=46.29µs 
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=196.15ms min=30.08ms  med=162.33ms max=810.91ms p(90)=361.98ms p(95)=399.51ms
     http_reqs......................: 390     1.621295/s
     iteration_duration.............: avg=1.05s    min=543.06ms med=1.24s    max=2.14s    p(90)=1.36s    p(95)=1.46s   
     iterations.....................: 73      0.303473/s
     vus............................: 0       min=0      max=6 
     vus_max........................: 60      min=60     max=60

Footnotes

1. This comment will automatically update with new output each time k6 runs for this PR ↩

[krysal]

I'll let you both coordinate on these PRs.

[dhruvkb]

This change makes sense to me, thanks for the helpful documentation comments.