STUN: fix Skype/MsTeams detection and monitoring logic #2765

Job	Run time
Test Utils (ubuntu-latest)	2m 34s
ubuntu-latest x86_64 --with-local-libgcrypt cc	7m 49s
ubuntu-latest x86_64 cc	5m 51s
ubuntu-20.04 x86_64 --with-local-libgcrypt cc	7m 38s
ubuntu-20.04 x86_64 cc	7m 33s
macOS-latest x86_64 --with-local-libgcrypt cc	4m 59s
macOS-latest x86_64 cc	4m 47s
macos-11 x86_64 --with-local-libgcrypt cc	5m 36s
macos-11 x86_64 cc	5m 10s
windows-latest x86_64 --with-local-libgcrypt cc	21m 53s
windows-latest x86_64 cc	9m 35s
ubuntu-20.04 x86_64 gcc-7 --with-pcre --with-maxminddb --with-sanitizer	10m 30s
ubuntu-22.04 x86_64 gcc-12 --with-pcre --with-maxminddb --with-sanitizer --with-lto-and-gold-linker	10m 28s
ubuntu-20.04 x86_64 clang-7 --with-pcre --with-maxminddb --with-sanitizer	13m 6s
ubuntu-22.04 x86_64 clang-14 --with-pcre --with-maxminddb --with-sanitizer --with-lto-and-gold-linker	11m 39s
ubuntu-latest x86_64 cc --with-pcre --with-maxminddb --with-thread-sanitizer	20m 45s
ubuntu-latest x86_64 cc --with-pcre --with-maxminddb --with-sanitizer nBPF	8m 38s
ubuntu-22.04 x86_64 clang-14 --with-pcre --with-maxminddb --with-memory-sanitizer	13m 43s
macOS-latest x86_64 cc --with-pcre --with-maxminddb	5m 48s
macos-12 x86_64 cc --with-pcre --with-maxminddb	6m 52s
ubuntu-latest arm64 cc --with-pcre --with-maxminddb	24m 55s
ubuntu-latest armhf cc --with-pcre --with-maxminddb --with-sanitizer	48m 29s
ubuntu-latest s390x cc --with-pcre --with-maxminddb	22m 11s
Python Bindings (ubuntu-latest)	1m 22s
	4h 41m 51s

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