Resolve #3389608 "Search"

Closes #3389608

added 11 commits

• 9519edec...25c317fb - 7 commits from branch project:1.3.x
• 2baff4d4 - Issue #3389608: Add a test for a home page search
• f086d22f - Issue #3389608: Add a test for advanced search
• bfb96cb8 - Issue #3389608: Add a test for empty input
• ffb43855 - Adopted for Olivero theme (which is

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added 1 commit

• 521f168c - JSON -> YAML for test data. Fix keywords.

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added 9 commits

• 521f168c...41916e8b - 4 commits from branch project:1.3.x
• 8c8e11b9 - Issue #3389608: Add a test for a home page search
• 05b3e41b - Issue #3389608: Add a test for advanced search
• c930a42a - Issue #3389608: Add a test for empty input
• 2412c567 - Adopted for Olivero theme (which is
• 05e76fd3 - JSON -> YAML for test data. Fix keywords.

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merged