Various fixes to mailbox sharing ui

src/translation/en.json

@@ -79,7 +79,9 @@
         },
         "navbar": {
             "users": "Users"
-        }
+        },
+        "disableAction": "Disable",
+        "enableAction": "Enable"
     },
     "appstore": {
         "title": "App Store",
@@ -667,6 +669,13 @@
             "dnsblZonesInfo": "Connecting IP address is looked up in these IP blocklists",
             "dnsblZonesPlaceholder": "Line separated zone names",
             "title": "Change Email ACL"
+        },
+        "mailboxSharing": {
+            "title": "Mailbox Sharing",
+            "description": "When enabled, users can share their IMAP folders with other users.",
+            "enabled": "Mailbox sharing is currently enabled.",
+            "disabled": "Mailbox sharing is currently disabled.",
+            "enableAction": "Enable"
         }
     },
     "network": {