move method call to beforeMount

src/layouts/coverage-statement/coverage-statement.vue

@@ -328,9 +328,11 @@ export default {
             }
         }
     },
+    beforeMount() {
+        this.getVehicleDeductible();
+    },
     mounted() {
         setupModalLinks(this);
-        this.getVehicleDeductible();
     },
     methods: {
         arePagePrerequisitesValid() {
@@ -453,7 +455,7 @@ export default {
             this.supportingItems = newSupportingItems;
         },
         async getVehicleDeductible() {
-            await this.mainStore.getFinalDeductible();
+            await useMainStore().getFinalDeductible();
         }
     }
 };