Added error handling in Geolocate API

ui/pages/computermodules.slint

@@ -1,5 +1,9 @@
 import { AboutSlint, VerticalBox, GridBox, Button, LineEdit, HorizontalBox, TextEdit, SpinBox } from "std-widgets.slint";
 
+export global ComputerModuleCallbacks {
+    pure callback killCherwell();
+}
+
 export component ComputerModules inherits Window {
     VerticalLayout {
         spacing: 5px;

ui/pages/usermodules.slint

@@ -1,5 +1,9 @@
 import { AboutSlint, VerticalBox, GridBox, Button, LineEdit, HorizontalBox, TextEdit, SpinBox, StandardListView } from "std-widgets.slint";
 
+export global UserModuleCallbacks {
+    pure callback searchUser();
+}
+
 export component UserModules inherits Window {
     VerticalLayout {
         spacing: 5px;
@@ -29,6 +33,9 @@ export component UserModules inherits Window {
                     Button {
                         text: "Search";
                         primary: true;
+                        clicked => {
+                            UserModuleCallbacks.searchUser();
+                        }
                     }
                 }