fix permissions errors and terminal launching

src/ui/settings/FileSetting.svelte

@@ -7,6 +7,13 @@
     export let value;
 
     const dispatch = createEventDispatcher();
+
+    async function pickFile() {
+        let file = await open();
+        if (file) {
+            value = file.path
+        }
+    }
 </script>
 
 
@@ -18,9 +25,10 @@
             bind:value
             on:change={() => dispatch('update', {value})}
         >
-        <button 
+        <button
+            type="button"
             class="btn btn-sm btn-primary"
-            on:click={async () => value = await open()}
+            on:click={pickFile}
         >Browse</button>
     </div>
     <slot name="description" slot="description"></slot>