Fix toast message for VM Legacy successful mount

Add new toast message string serverConnectionEstablished
for succesfully mounted image in Legacy mode.
Previously serverClosedSuccessfully toast was showed.

Tested:
Verified that Server connection established toast message
shows in webui after mounting image in legacy mode.

Signed-off-by: Alicja Rybak <[email protected]>
Change-Id: I79b8bc3243ecc1a29a28f2441d499454747676c2

Author: arybak1

src/locales/en-US.json

@@ -806,6 +806,7 @@
       "errorReadingFile": "Error reading file. Closing server.",
       "errorUnmounting": "Error unmounting",
       "serverRunning": "Server running",
+      "serverConnectionEstablished": "Server connection established",
       "serverClosedSuccessfully": "Server closed successfully",
       "serverClosedWithErrors": "Server closed with errors"
     }

src/views/Control/VirtualMedia/VirtualMedia.vue

@@ -179,7 +179,7 @@ export default {
         })
         .then(() => {
           this.successToast(
-            this.$t('pageVirtualMedia.toast.serverClosedSuccessfully')
+            this.$t('pageVirtualMedia.toast.serverConnectionEstablished')
           );
           connectionData.isActive = true;
         })