On non-desktop, split the two input sections for readability

lib/flutter/BugVaultMain.dart

@@ -141,6 +141,29 @@ class BugVaultLoadPageState extends State<BugVaultLoadPage> {
             "The URL to where the instance of BugVault is running",
           ),
         ),
+        if (Platform.isAndroid || Platform.isIOS)
+          Column(
+            children: [
+              Row(
+                children: [
+                  Text("HOST / FQDN :"),
+                  Expanded(child: highlightTextField(URL_CONTROLLER)),
+                ],
+              ),
+              Row(
+                children: [
+                  Text("PORT :"),
+                  Expanded(
+                    child: highlightTextField(
+                      PORT_CONTROLLER,
+                      keyboardType: TextInputType.number,
+                    ),
+                  ),
+                ],
+              ),
+            ],
+          )
+        else
           Row(
             children: [
               Text("HOST / FQDN :"),