Fix importing settings on iOS (#337)

Author: versx

src/views/index.mustache

@@ -247,7 +247,7 @@
                     <div class="mr-auto">
                         <button type="button" id="exportFilters" class="btn btn-sm btn-primary">{{filter_export}}</button>
                         <button type="button" id="importFilters" class="btn btn-sm btn-primary">{{filter_import}}</button>
-                        <input type="file" id="importFiltersFile" accept="text/json" class="btn btn-primary" hidden>
+                        <input type="file" id="importFiltersFile" accept="application/json" class="btn btn-primary" hidden>
                     </div>
                     <button type="button" class="btn btn-sm btn-secondary" data-dismiss="modal">{{filter_cancel}}</button>
                     <button type="button" id="saveFilters" class="btn btn-sm btn-primary">{{filter_save}}</button>

static/js/index.js

@@ -432,7 +432,7 @@ $(function () {
         };
         let json = JSON.stringify(settings);
         let el = document.createElement('a');
-        el.setAttribute('href', 'data:text/plain;chartset=utf-8,' + encodeURIComponent(json));
+        el.setAttribute('href', 'data:application/json;chartset=utf-8,' + encodeURIComponent(json));
         el.setAttribute('download', 'settings.json');
         el.style.display = 'none';
         document.body.appendChild(el);