fix conversion component remembering file

src/upload.vue

@@ -9,13 +9,13 @@
             </VcsLabel>
           </v-col>
           <v-col>
-            <VcsFileInput id="fileInput" type="file" @change="onFileSelected" accept=".ifc" />
+            <VcsFileInput id="fileInput" type="file" @change="onFileSelected" accept=".ifc" v-show="true"/>
           </v-col>
         </v-row>
         <v-row no-gutters class="justify-center">
         </v-row>
         <v-row no-gutters class="justify-center">
-          <VcsFormButton id="convertBtn" @click="convert()" :disabled="disable"> Konvertieren </VcsFormButton>
+          <VcsFormButton id="convertBtn" @click="convert()" :disabled="disable"> {{ disable ? "Konvertierung läuft" : "Konvertieren" }} </VcsFormButton>
         </v-row>
       </v-container>
     </v-card>
@@ -90,20 +90,18 @@ export default {
         }); // returns a promise
         let filename = pluginState.file.name.replace(/\.[^/.]+$/, "") + ".glb";
         disable.value = true;
-        const convertBtn = document.getElementById("convertBtn");
-        convertBtn.innerHTML = " Konvertierung läuft ";
-
         req.then(function (res) {
           disable.value = false;
-          convertBtn.innerHTML = " Konvertieren ";
-          emit('close');
-          const geolocationString = res.headers.get('X-geolocation');
-          if (geolocationString) {
-            const geolocation = JSON.parse(geolocationString);
-            pluginState.geolocations[filename] = geolocation;
-          }
           if (res.ok) {
+            pluginState.file = undefined;
             // status code was 200-299
+            emit('close');
+            const geolocationString = res.headers.get('X-geolocation');
+            if (geolocationString) {
+              const geolocation = JSON.parse(geolocationString);
+              pluginState.geolocations[filename] = geolocation;
+            }
+
             let message = "Datei erfolgreich konvertiert.";
             let timeout = 5000;
             if (geolocationString) {