[PR #10121/de60ea1d backport][stable-10] Fix #10120. Split key=value where value may comprise = (#10125)

Fix #10120. Split key=value where value may comprise = (#10121)

* Fix #10120. Split key=value where value may comprise =

* Added fragment.

* Update plugins/modules/sysrc.py



* Update changelogs/fragments/10121-sysrc-fix-split-first-separator.yml



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(cherry picked from commit de60ea1da4)

Co-authored-by: Vladimir Botka <vbotka@gmail.com>
Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/sysrc.py

@@ -130,7 +130,7 @@ class Sysrc(object):
         Use this dictionary to preform the tests.
         """
         (rc, out, err) = self.run_sysrc('-e', '-a')
-        conf = dict([i.split('=') for i in out.splitlines()])
+        conf = dict([i.split('=', 1) for i in out.splitlines()])
         if self.value is None:
             return self.name in conf
         else: