[PR #11717/b2cd1b55 backport][stable-12] Fix KeyError for 'dnsttl' (#11736)

Fix KeyError for 'dnsttl' (#11717)

* Fix KeyError for 'dnsttl'

I did not further dig into the code. However, since upgrading to the latest version of `community.general`, ansible fails with a weird error message "dnsttl" at a task where `community.general.ipa_dnsrecord` is called. After digging into the code a bit, I found out that it is a KeyError and caused by this line of code. I'm not sure, if it is safe to skip that line and not to set `result["dnsttl"]`.

* Add changelog fragment

* Adopt suggestion for changelogs/fragments/11717-fix-error-dnsttl.yml



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(cherry picked from commit b2cd1b555e)

Co-authored-by: sedrubal <sedrubal@users.noreply.github.com>
Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/ipa_dnsrecord.py

@@ -210,7 +210,8 @@ class DNSRecordIPAClient(IPAClient):
         else:
             method = "dnsrecord_find"
         result = self._post_json(method=method, name=zone_name, item={"idnsname": record_name, "all": True})
-        result["dnsttl"] = [int(v) for v in result["dnsttl"]]
+        if "dnsttl" in result:
+            result["dnsttl"] = [int(v) for v in result["dnsttl"]]
         return result
 
     def dnsrecord_add(self, zone_name=None, record_name=None, details=None):