Fixed continue button while selecting home server

src/components/views/dialogs/ServerPickerDialog.tsx

@@ -151,7 +151,7 @@ export default class ServerPickerDialog extends React.PureComponent<IProps, ISta
 
         const valid = await this.fieldRef.current.validate({ allowEmpty: false });
 
-        if (!valid) {
+        if (!valid && !this.state.defaultChosen) {
             this.fieldRef.current.focus();
             this.fieldRef.current.validate({ allowEmpty: false, focused: true });
             return;