fix: decode search urls to avoid double encoding in canonical links

[philippsauer]

PR Type

[x] Bugfix [ ] Feature [ ] Code style update (formatting, local variables) [ ] Refactoring (no functional changes, no API changes) [ ] Build-related changes [ ] CI-related changes [ ] Documentation content changes [ ] Application / infrastructure changes [ ] Other:

What Is the Current Behavior?

search ulrs are encoded twice in canonical URL

Issue Number: Closes #1711

What Is the New Behavior?

search ulrs are encoded only once in canonical URL

Does this PR Introduce a Breaking Change?

[ ] Yes [x] No

Other Information

AB#99736