chore(web): remove TanStack devtools

[lyzno1]

Summary

• remove the TanStack devtools loader from the query client provider
• delete the TanStack devtools loader component
• remove TanStack devtools packages from web dependencies, catalog, and lockfile

Verification

• pnpm --dir web type-check
• rg -n "@tanstack/react-(devtools|query-devtools|form-devtools)|@tanstack/(devtools-client|devtools-event-bus|devtools-ui|devtools-utils|devtools@|devtools:|devtools |form-devtools|query-devtools)|TanStackDevtools|ReactQueryDevtools|formDevtoolsPlugin|TanStackDevtoolsLoader|components/devtools/tanstack" .

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.82%. Comparing base (c0ee821) to head (4d2ec76).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #36882      +/-   ##
==========================================
- Coverage   85.82%   85.82%   -0.01%     
==========================================
  Files        4553     4553              
  Lines      222918   222918              
  Branches    41004    41004              
==========================================
- Hits       191326   191323       -3     
- Misses      27895    27898       +3     
  Partials     3697     3697              

Flag	Coverage Δ
dify-ui	95.57% <ø> (ø)
web	86.50% <ø> (-0.01%)	⬇️

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