feat: Translate frontend/src/i18n/en.json in sv_SE

88% of minimum 50% translated source file: 'frontend/src/i18n/en.json'
on 'sv_SE'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

frontend/src/i18n/sv-se.json

@@ -114,7 +114,7 @@
     "deleteMessageMultiple": "Är du säker på att du vill radera {count} filer(na)?",
     "deleteMessageSingle": "Är du säker på att du vill radera denna fil/mapp",
     "deleteMessageShare": "Är du säker på att du vill ta bort denna utdelning({path})?",
-    "deleteUser": "Are you sure you want to delete this user?",
+    "deleteUser": "Är du säker på att du vill ta bort denna användare?",
     "deleteTitle": "Ta bort filer",
     "displayName": "Visningsnamn:",
     "download": "Ladda ner filer",
@@ -140,7 +140,7 @@
     "scheduleMessage": "Pick a date and time to schedule the publication of this post.",
     "show": "Visa",
     "size": "Storlek",
-    "upload": "Upload",
+    "upload": "Ladda upp",
     "uploadFiles": "Uploading {files} files...",
     "uploadMessage": "Select an option to upload.",
     "optionalPassword": "Optional password",