Change to a more accurate variable name

From Mark Harris: "... The rationale is that it’s not a querystring for passing the name of the application.  It’s a querystring for passing the name of the page.  (It just happens to be named after the applications, but that’s more of business requirement ..."

src/constants/application-config.js

@@ -7,7 +7,7 @@ const applicationConfig = {
     APPLICATION_NAME: "SelfService",
     SITE_ENTRY_TRIGGER_VALUE: "SelfService",
     APPLICATION_ABBREVIATION: "iss",
-    APPLICATION_QUERYSTRING: 'issPage',
+    PAGE_QUERYSTRING: 'issPage',
   };
   
   export { applicationConfig };

src/ux-components/alert/alert.vue

@@ -19,7 +19,7 @@
                     <span v-else>
                         <router-link
                             :to="{
-                                query: { [applicationQueryString]: `${getRouterLinkRouteFromCopy(copy)}` },
+                                query: { [pageQueryString]: `${getRouterLinkRouteFromCopy(copy)}` },
                                 name: 'root',
                             }"
                             >{{ getRouterLinkDisplayTextFromCopy(copy) }}</router-link
@@ -76,8 +76,8 @@ export default {
         },
     },
     computed: {
-        applicationQueryString() {
-            return applicationConfig.APPLICATION_QUERYSTRING;
+        pageQueryString() {
+            return applicationConfig.PAGE_QUERYSTRING;
         },
         alertHeadline() {
             return this.manualHeadline