Add confirmation dialog to extension uninstall (#1547)

Signed-off-by: Panu Horsmalahti <phorsmalahti@mirantis.com>

src/common/utils/defineGlobal.ts

@@ -4,9 +4,10 @@
 
 export function defineGlobal(propName: string, descriptor: PropertyDescriptor) {
   const scope = typeof global !== "undefined" ? global : window;
+
   if (scope.hasOwnProperty(propName)) {
-    console.info(`Global variable "${propName}" already exists. Skipping.`);
     return;
   }
+
   Object.defineProperty(scope, propName, descriptor);
 }