fix: search images api methods

[hellolijj]

Signed-off-by: Junjun Li junjunli666@gmail.com

Ⅰ. Describe what this PR did

fix bug: search images api methods

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)? (你真的觉得不需要加测试吗？)

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov]

Codecov Report

Merging #2905 into master will increase coverage by 0.15%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2905      +/-   ##
==========================================
+ Coverage   68.73%   68.89%   +0.15%     
==========================================
  Files         291      291              
  Lines       18259    18259              
==========================================
+ Hits        12551    12579      +28     
+ Misses       4246     4228      -18     
+ Partials     1462     1452      -10

Flag	Coverage Δ
#criv1alpha2_test	38.41% <50%> (+0.01%)	⬆️
#integration_test_0	36.23% <50%> (+0.01%)	⬆️
#integration_test_1	35.64% <50%> (-0.02%)	⬇️
#integration_test_2	36.18% <50%> (-0.02%)	⬇️
#integration_test_3	35.76% <50%> (+0.04%)	⬆️
#node_e2e_test	34.23% <50%> (+0.12%)	⬆️
#unittest	28.01% <50%> (ø)	⬆️

Impacted Files	Coverage Δ
client/image_search.go	100% <100%> (ø)	⬆️
apis/server/router.go	91.51% <100%> (ø)	⬆️
cri/ocicni/netns.go	58.1% <0%> (-2.71%)	⬇️
daemon/mgr/container.go	60.35% <0%> (+0.41%)	⬆️
cri/v1alpha2/cri.go	69.06% <0%> (+0.75%)	⬆️
daemon/logger/jsonfile/utils.go	73.17% <0%> (+1.62%)	⬆️
ctrd/container.go	53.91% <0%> (+2.29%)	⬆️
apis/server/utils.go	75% <0%> (+3.84%)	⬆️
ctrd/watch.go	78.37% <0%> (+5.4%)	⬆️

[ZYecho]

LGTM