fix: fix hardcoded public clickhouse hostname

feature: use current hostname when public clickhouse is localhost

Author: beda42

design/ui/src/pages/ChExportPage.vue

@@ -375,9 +375,8 @@ export default {
 
   computed: {
     ...mapGetters({
-      // clickhouseExportHost: "clickhouseExportHost",
+      clickhouseExportHost: "clickhouseExportHost",
     }),
-    clickhouseExportHost: () => "pubch-01.celus.net",
   },
 
   mounted() {

design/ui/src/store/index.js

@@ -338,9 +338,11 @@ export default createStore({
     },
     clickhouseExportHost(state) {
       if ("CLICKHOUSE_EXPORT_HOST" in state.basicInfo) {
-        return state.basicInfo["CLICKHOUSE_EXPORT_HOST"];
+        const host = state.basicInfo["CLICKHOUSE_EXPORT_HOST"];
+        // if the host is localhost, we should return the current host
+        return host === "localhost" ? window.location.hostname : host;
       }
-      return false;
+      return null;
     },
     clickhouseQueryActive(state) {
       if ("CLICKHOUSE_QUERY_ACTIVE" in state.basicInfo) {