fix: Dashboard can not search route from hosts name

[ttgml]

fix #2806 (comment)

Please answer these questions before submitting a pull request, or your PR will get closed.

Why submit this pull request?

• Bugfix
• New feature provided
• Improve performance
• Backport patches

What changes will this PR take into?

Fix the issue where host search does not work on the routing page.

Related issues

fix/resolve #2806

Checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
• Is this PR backward compatible? If it is not backward compatible, please discuss on the mailing list first

[codecov-commenter]

Codecov Report

Merging #2807 (89d6718) into master (764a04e) will increase coverage by 2.27%.
The diff coverage is 0.00%.

❗ Current head 89d6718 differs from pull request most recent head cb15262. Consider uploading reports for the commit cb15262 to get more accurate results

@@            Coverage Diff             @@
##           master    #2807      +/-   ##
==========================================
+ Coverage   68.87%   71.15%   +2.27%     
==========================================
  Files         139      198      +59     
  Lines        3746     7765    +4019     
  Branches      880      876       -4     
==========================================
+ Hits         2580     5525    +2945     
- Misses       1166     1930     +764     
- Partials        0      310     +310     

Flag	Coverage Δ
backend-e2e-test-ginkgo	65.09% <0.00%> (?)
backend-unit-test	49.92% <0.00%> (?)
frontend-e2e-test	70.13% <ø> (+1.26%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
api/internal/handler/route/route.go	77.52% <0.00%> (ø)

... and 91 files with indirect coverage changes

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[Baoyuantop]

E2E testing is required to verify this modification

[ttgml]

E2E testing is required to verify this modification

Added