Simplify incidence access in dumpAlarm()

This also removes the need for CalendarSupport as a dependency here, as
well as 6 more libraries this pulled in indirectly.

kalendarac/CMakeLists.txt

@@ -19,7 +19,7 @@ target_link_libraries(kalendarac
     KF5::CalendarCore
     KF5::DBusAddons
     KF5::AkonadiCore
-    KF5::CalendarSupport
+    KF5::AkonadiCalendar
     KF5::I18n
     KF5::Notifications
     Qt5::Core

kalendarac/kalendaralarmclient.cpp

@@ -6,8 +6,6 @@
 #include "kalendaracadaptor.h"
 #include "notificationhandler.h"
 
-#include <CalendarSupport/Utils>
-
 #include <KCheckableProxyModel>
 #include <KConfigGroup>
 #include <KLocalizedString>
@@ -245,10 +243,7 @@ QStringList KalendarAlarmClient::dumpAlarms() const
     } else {
         for (const Alarm::Ptr &alarm : alarms) {
             const QString uid = alarm->customProperty("ETMCalendar", "parentUid");
-            const Akonadi::Item::Id id = mCalendar->item(uid).id();
-            const Akonadi::Item item = mCalendar->item(id);
-
-            const Incidence::Ptr incidence = CalendarSupport::incidence(item);
+            const Incidence::Ptr incidence = mCalendar->incidence(uid);
             const QString summary = incidence->summary();
 
             const QDateTime time = incidence->dateTime(Incidence::RoleAlarm);