Fix searchbar showing None if there's nothing written

docker-compose.yml

@@ -9,4 +9,4 @@ services:
       - IWM_SERVER="http://make.fangam.es"
       - IWM_THUMBNAILS="https://images.make.fangam.es"
       - IMGPROXY_URL="http://127.0.0.1:8080"
-      - IMGPROXY_PARAMS="{\"extension\":\"webp\",\"advanced\":[\"q:50\"]}"
+      - IMGPROXY_PARAMS="{\"advanced\":[\"q:50\"]}"

iwm_browser/templates/search.html

@@ -28,7 +28,7 @@
         <div class='searchBar'>
           <form action="/search" method="get">
             <div class="search_entry">
-              <input type='text' id="q" name="q" value='{{ QueryValues["q"] }}' placeholder="Enter a level name or code"/>
+              <input type='text' id="q" name="q" value='{{ QueryValues["q"] if QueryValues["q"] is not none }}' placeholder="Enter a level name or code"/>
               <button class="searchButton" id='searchButton' type='submit'>🔍</button>
             </div>
             <details>