Issue 33119 bad copy url (#33142)

Updated code to remove extra slash

This PR fixes: #33119

Author: erickgonzalez

core-web/libs/portlets/dot-experiments/portlet/src/lib/dot-experiments-configuration/components/dot-experiments-configuration-variants/dot-experiments-configuration-variants.component.ts

@@ -218,8 +218,11 @@ export class DotExperimentsConfigurationVariantsComponent {
             );
         } catch {
             // Fallback to relative URL using window.location.origin
+            const cleanProcessedUrl = processedUrl.startsWith('/')
+                ? processedUrl.substring(1)
+                : processedUrl;
             url = new URL(
-                `${window.location.origin}/${processedUrl}${
+                `${window.location.origin}/${cleanProcessedUrl}${
                     processedUrl.indexOf('?') != -1 ? '&' : '?'
                 }disabledNavigateMode=true&mode=LIVE`
             );