Don't trim trailing whitespace

Co-authored-by: Dave Long 24510-longwave@users.noreply.drupalcode.org

Closes #3456244

added 24 commits

• 63aa75c4...fb2469d3 - 3 commits from branch project:11.x
• fb2469d3...36cb8150 - 11 earlier commits
• 1c758a67 - Apply 1 suggestion(s) to 1 file(s)
• 3d13f4d1 - Duplicate the logic more consistently and add a @todo.
• e1849b43 - Deprecate in 11.1 instead of 10.4
• 7adaaf55 - Deprecate in 11.1 instead of 10.4
• 828a4a49 - Add test coverage.
• 84e8b710 - rtrim the CID before sending it to MySQL.
• 649fb95b - Hash when there are trailing spaces instead.
• 873ed09c - Move cid trailing space check to the generic test.
• e7b80a41 - Add back the %20 after urldecoding.
• e79cbf6c - Assert no routes found.

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