[DomCrawler] added support for query string with slash

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | 
| License       | MIT
| Doc PR        | 

Link\getUri() failed to return correct uri when current query string contains slash
Test pass on branch 2.1 but fails on master