[Workplace Search] source connection panel content vertical alignment (…

…elastic#103225)

* fix 1786 source connection panel vertical alignment

* Update x-pack/plugins/enterprise_search/public/applications/workplace_search/views/content_sources/components/add_source/configured_sources_list.tsx

Co-authored-by: Constance <constancecchen@users.noreply.github.com>

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Constance <constancecchen@users.noreply.github.com>

x-pack/plugins/enterprise_search/public/applications/workplace_search/views/content_sources/components/add_source/configured_sources_list.tsx

@@ -70,7 +70,12 @@ export const ConfiguredSourcesList: React.FC<ConfiguredSourcesProps> = ({
         <React.Fragment key={i}>
           <EuiFlexItem>
             <EuiPanel paddingSize="s">
-              <EuiFlexGroup alignItems="center" gutterSize="none" responsive={false}>
+              <EuiFlexGroup
+                alignItems="center"
+                gutterSize="none"
+                responsive={false}
+                className="eui-fullHeight"
+              >
                 <EuiFlexItem>
                   <EuiFlexGroup
                     justifyContent="flexStart"