optimise qids query to select smaller subset

[Tlazypanda]

Fixes #8242

WIP: Since there are multiple places where qid thing is used need to find and optimise at all places

• 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
  Thanks!

[gitpod-io]

[codecov]

Codecov Report

Merging #8264 into main will decrease coverage by 0.08%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #8264      +/-   ##
==========================================
- Coverage   81.44%   81.35%   -0.09%     
==========================================
  Files         101      101              
  Lines        5873     5873              
==========================================
- Hits         4783     4778       -5     
- Misses       1090     1095       +5     

Impacted Files	Coverage Δ
app/controllers/tag_controller.rb	82.01% <100.00%> (+0.60%)	⬆️
app/services/execute_search.rb	88.88% <0.00%> (-5.56%)	⬇️
app/api/srch/search.rb	66.24% <0.00%> (-3.83%)	⬇️