Active discovery

[MGatner]

• Reworks discovery of the "current" URL for setting active Menu items
• Fixes a bug where "active" classes relied on current_url() which has a bug when using App::$indexPage

[coveralls]

Pull Request Test Coverage Report for Build 814270102

• 11 of 11 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 794625746:	0.0%
Covered Lines:	97
Relevant Lines:	97

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 814270102

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 11 of 11 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 794625746:	0.0%
Covered Lines:	97
Relevant Lines:	97

---

💛 - Coveralls