[DomCrawler] allowed schema-less url in the base tag
merged branch pvolok/fix_7421 (PR #7660)

This PR was merged into the master branch.

Discussion
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[DomCrawler] Allow schema-less url in the base tag

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #7421
| License       | MIT
| Doc PR        | -

Commits
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6bf9c68 [DomCrawler] allowed schema-less url in the base tag