Fix search API issue when APIs have spaces.

[shnrndk]

Related Issues:
wso2/api-manager#2492
wso2/api-manager#2462

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.36%. Comparing base (0695ccd) to head (1275104).
Report is 59 commits behind head on master.

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #12334       +/-   ##
=============================================
+ Coverage     20.44%   47.36%   +26.92%     
- Complexity        0     4129     +4129     
=============================================
  Files          1223     1840      +617     
  Lines        105164   136404    +31240     
  Branches      14740    19734     +4994     
=============================================
+ Hits          21498    64611    +43113     
+ Misses        80830    64176    -16654     
- Partials       2836     7617     +4781     

Flag	Coverage Δ
integration_tests	42.09% <100.00%> (?)
unit_tests	20.43% <0.00%> (-0.02%)	⬇️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.