rec: change default of extended-resolution-errors setting to true

[omoerbeek]

Short description

Checklist

I have:

• read the CONTRIBUTING.md document
• compiled this code
• tested this code
• included documentation (including possible behaviour changes)
• documented the code
• added or modified regression test(s)
• added or modified unit test(s)

[coveralls]

Pull Request Test Coverage Report for Build 6798522356

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 28 unchanged lines in 8 files lost coverage.
• Overall coverage increased (+0.06%) to 57.431%

---

Files with Coverage Reduction	New Missed Lines	%
ext/luawrapper/include/LuaContext.hpp	2	13.92%
pdns/backends/gsql/gsqlbackend.hh	2	97.71%
pdns/dnsdist.cc	2	70.8%
pdns/query-local-address.cc	2	76.6%
pdns/rcpgenerator.cc	3	89.82%
pdns/recursordist/test-syncres_cc2.cc	3	89.05%
pdns/recursordist/test-syncres_cc1.cc	6	88.99%
pdns/packethandler.cc	8	72.58%

Totals
Change from base Build 6797362807:	0.06%
Covered Lines:	105468
Relevant Lines:	153024

---

💛 - Coveralls