gst-inspect: Fix ANSI escape sequence usage on Windows

Either disable it when it's not supported, or setup the console to
interpret them correctly when it's supported.

Closes gstreamer/gstreamer#351
9 jobs for fix-gst-inspect-win10 in 17 minutes and 25 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Preparation
passed gst indent #82977

00:00:31

passed manifest #82976

00:00:37

 
  Build
passed build fedora x86_64 #82978

00:03:48

 
  Test
passed check fedora #82988

00:03:49

failed check fedora #82979

00:00:14

 
  Full Builds
passed build android arm64 api28 #82980

00:03:33

passed build cerbero cross win32 #82982

00:09:10

passed build cerbero cross win64 #82983

00:07:06

passed build cerbero fedora x86_64 #82981

00:06:15