Allow accessing templated classes in ConfigurablesDB2 with or without spaces in the name

Status Job ID Name Coverage
  Build
passed #7140489
cvmfs
build:gcc8:opt

00:03:35

passed #7140491
cvmfs
build:gcc9:dbg

00:06:27

passed #7140490
cvmfs
build:gcc9:opt

00:04:06

passed #7140492
cvmfs
build:gcc9:opt:python3

00:05:44

passed #7140493
check-formatting

00:02:24

 
  Test
passed #7140494
check-copyright

00:01:41

passed #7140495
cvmfs
test:gcc8:opt

00:07:32

passed #7140497
cvmfs
test:gcc9:dbg

00:08:51

passed #7140496
cvmfs
test:gcc9:opt

00:06:50

passed #7140498
cvmfs
test:gcc9:opt:python3

00:05:47

passed #7140499
cvmfs
test_public_headers_build

00:02:09

passed #7140500
test-python3

00:01:34