fix: remove modal when navigating back (#5165)

Co-authored-by: deepsource-io[bot] <42547082+deepsource-io[bot]@users.noreply.github.com>
Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>
Co-authored-by: Frank Elsinga <frank@elsinga.de>

src/components/ProxyDialog.vue

@@ -125,11 +125,12 @@ export default {
             }
         };
     },
-
     mounted() {
         this.modal = new Modal(this.$refs.modal);
     },
-
+    beforeUnmount() {
+        this.cleanupModal();
+    },
     methods: {
         /**
          * Show dialog to confirm deletion
@@ -209,6 +210,20 @@ export default {
                 }
             });
         },
+
+        /**
+         * Clean up modal and restore scroll behavior
+         * @returns {void}
+         */
+        cleanupModal() {
+            if (this.modal) {
+                try {
+                    this.modal.hide();
+                } catch (e) {
+                    console.warn("Modal hide failed:", e);
+                }
+            }
+        }
     },
 };
 </script>