Translated using Weblate (#3549)

Co-authored-by: Daniel <danchao@freedom.net.tw>
Co-authored-by: Eric <hamburger1024@mailbox.org>
Co-authored-by: J. Lavoie <j.lavoie@net-c.ca>
Co-authored-by: Kevin Papst <kevin@kevinpapst.de>
Co-authored-by: Nguyễn Hoàng Minh <mingu03@yandex.com>
Co-authored-by: SC <lalocas@protonmail.com>
Co-authored-by: SHINJI.K <shinkuroshi@gmail.com>
Co-authored-by: adam Petro <grimnoobster@gmail.com>
Co-authored-by: office256 <ohofman@seznam.cz>
Co-authored-by: power meshal <powermeshal@gmail.com>
Co-authored-by: Мистер Перевод <sergei@racingrebel.com>
Co-authored-by: 이정희 <daemul72@gmail.com>

translations/system-configuration.ko.xlf

@@ -314,6 +314,10 @@
         <source>label.calendar.title_pattern</source>
         <target state="translated">달력 항목의 제목 표시</target>
       </trans-unit>
+      <trans-unit id="eiQKW2A" resname="label.calendar.dragdrop_data">
+        <source>Copies data when adding via drag and drop</source>
+        <target state="translated">끌어서 놓기를 통해 추가할 때 데이터 복사하기</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>