Upgrade to 7.9.0

Author: guyplusplus

README.md

@@ -185,8 +185,8 @@ The plugin can then be installed like this for an apt installed Kibana.
 
 ```shell
 $ cd /usr/share/kibana
-$ sudo -u kibana ./bin/kibana-plugin install file:///home/john/downloads/vis_type_custom_form_filter_accounts_7.8.0_1.0.1.zip
-$ sudo -u kibana ./bin/kibana-plugin install https://github.com/guyplusplus/Kibana-Plugin-Custom-Form-Filter-Visualization/releases/download/7.8.0-1.0.1/vis_type_custom_form_filter_accounts_7.8.0_1.0.1.zip
+$ sudo -u kibana ./bin/kibana-plugin install file:///home/john/downloads/vis_type_custom_form_filter_accounts_7.9.0_1.0.2.zip
+$ sudo -u kibana ./bin/kibana-plugin install https://github.com/guyplusplus/Kibana-Plugin-Custom-Form-Filter-Visualization/releases/download/7.9.0-1.0.2/vis_type_custom_form_filter_accounts_7.9.0_1.0.2.zip
 ```
 
 Deleting then installing the plugin often fails for me. I fix it by running this command.

vis_type_custom_form_filter_accounts/kibana.json

@@ -3,5 +3,5 @@
   "version": "kibana",
   "ui": true,
   "server": true,
-  "requiredPlugins": ["expressions", "visualizations", "data"]
+  "requiredPlugins": ["kibanaReact", "kibanaUtils", "expressions", "visualizations", "data"]
 }

vis_type_custom_form_filter_accounts/public/fetch_data.tsx

@@ -81,7 +81,7 @@ export async function fetchData(core: CoreSetup, indexName, fieldName) {
     query,
   });
   const create = dataPluginStart.search.searchSource.create;
-  const searchSource = create(initialSearchSourceState);
+  const searchSource = await create(initialSearchSourceState || {});
   searchSource.setParent(undefined);
   const filters = [];
   /* a filter could be