fix(i18n): improve Korean label for Appearance

- Translate 'Appearance' as '테마' instead of '모습' for the account settings UI

apps/client/src/locales/messages.ko.xlf

@@ -2341,7 +2341,7 @@
       </trans-unit>
       <trans-unit id="8671234314555525900" datatype="html">
         <source>Appearance</source>
-        <target state="translated">모습</target>
+        <target state="translated">테마</target>
         <context-group purpose="location">
           <context context-type="sourcefile">apps/client/src/app/components/user-account-settings/user-account-settings.html</context>
           <context context-type="linenumber">158</context>