feat: Element locking (#4964)

Co-authored-by: dwelle <luzar.david@gmail.com>
Co-authored-by: Zsolt Viczian <viczian.zsolt@gmail.com>

src/locales/en.json

@@ -113,6 +113,12 @@
       "edit": "Edit link",
       "create": "Create link",
       "label": "Link"
+    },
+    "elementLock": {
+      "lock": "Lock",
+      "unlock": "Unlock",
+      "lockAll": "Lock all",
+      "unlockAll": "Unlock all"
     }
   },
   "buttons": {
@@ -292,7 +298,8 @@
     "title": "Help",
     "view": "View",
     "zoomToFit": "Zoom to fit all elements",
-    "zoomToSelection": "Zoom to selection"
+    "zoomToSelection": "Zoom to selection",
+    "toggleElementLock": "Lock/unlock selection"
   },
   "clearCanvasDialog": {
     "title": "Clear canvas"
@@ -336,7 +343,6 @@
     "noteItems": "Each library item must have its own name so it's filterable. The following library items will be included:",
     "atleastOneLibItem": "Please select at least one library item to get started"
   },
-
   "publishSuccessDialog": {
     "title": "Library submitted",
     "content": "Thank you {{authorName}}. Your library has been submitted for review. You can track the status",