fix(dav): Also throw in basic auth requests

[nickvergessen]

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• [x] Tests (unit, integration, api and/or acceptance) are included
• [x] Screenshots before/after for front-end changes
• [x] Documentation (manuals or wiki) has been updated or is not required
• [x] Backports requested where applicable (ex: critical bugfixes)

[juliusknorr]

Tests need some adjustments:

There were 5 failures:

1) Test\User\SessionTest::testLogClientInNoTokenPasswordWith2fa
Expectation failed for method name is "sleepDelay" when invoked 1 time(s).
Method was expected to be called 1 times, actually called 0 times.

2) Test\User\SessionTest::testLogClientInWithTokenPassword
Expectation failed for method name is "sleepDelay" when invoked 1 time(s).
Method was expected to be called 1 times, actually called 0 times.

3) Test\User\SessionTest::testLogClientInNoTokenPasswordNo2fa
Expectation failed for method name is "sleepDelay" when invoked 1 time(s).
Method was expected to be called 1 times, actually called 0 times.

4) Test\User\SessionTest::testLogClientInThrottlerUsername
Expectation failed for method name is "sleepDelay" when invoked 2 time(s).
Method was expected to be called 2 times, actually called 0 times.

5) Test\User\SessionTest::testLogClientInThrottlerEmail
Expectation failed for method name is "sleepDelay" when invoked 2 time(s).
Method was expected to be called 2 times, actually called 0 times.