Remove optimade query from non dft search bar.

gui/src/components/search/SearchBar.js

@@ -6,6 +6,7 @@ import { CircularProgress, InputAdornment, Button, Tooltip } from '@material-ui/
 import searchQuantities from '../../searchQuantities'
 import { apiContext } from '../api'
 import { defsByName as metainfoDefs } from '../archive/metainfo'
+import { domains } from '../domains'
 
 const metainfoOptions = []
 
@@ -283,11 +284,12 @@ export default function SearchBar() {
     ...params,
     startAdornment: (
       <React.Fragment>
+        {domain === domains.dft &&
         <InputAdornment position="start">
           <Tooltip title="Switch between NOMAD's quantity=value search and the Optimade filter language.">
             <Button onClick={handleSearchTypeClicked}size="small">{searchType}</Button>
           </Tooltip>
-        </InputAdornment>
+        </InputAdornment>}
         {params.startAdornment}
       </React.Fragment>
     )