[l10n] Improve Swedish (sv-SE) locale

Author: VismaAndreasIvarsson

docs/data/data-grid/localization/data.json

@@ -275,7 +275,7 @@
     "languageTag": "sv-SE",
     "importName": "svSE",
     "localeName": "Swedish",
-    "missingKeysCount": 95,
+    "missingKeysCount": 93,
     "totalKeysCount": 219,
     "githubLink": "https://github.com/mui/mui-x/blob/master/packages/x-data-grid/src/locales/svSE.ts"
   },

packages/x-data-grid/src/locales/svSE.ts

@@ -5,8 +5,8 @@ const svSEGrid: Partial<GridLocaleText> = {
   // Root
   noRowsLabel: 'Inga rader',
   noResultsOverlayLabel: 'Inga resultat funna.',
-  // noColumnsOverlayLabel: 'No columns',
-  // noColumnsOverlayManageColumns: 'Manage columns',
+  noColumnsOverlayLabel: 'Inga kolumner',
+  noColumnsOverlayManageColumns: 'Hantera kolumner',
   // emptyPivotOverlayLabel: 'Add fields to rows, columns, and values to create a pivot table',
 
   // Density selector toolbar button text