Fix server exit hang on MacOS, cleanup, include directories in zips, natural sort.

cista-front/src/components/UploadButton.vue

@@ -55,11 +55,16 @@ async function sendChunk(file: File, start: number, end: number) {
   }
 }
 
-async function uploadFileChangeHandler(event: Event) {
+async function uploadHandler(event: Event) {
   const target = event.target as HTMLInputElement
   const chunkSize = 1 << 20
-  if (target && target.files && target.files.length > 0) {
-    const file = target.files[0]
+  if (!target?.files?.length) {
+    documentStore.error = 'No files selected'
+    return
+  }
+  for (const idx in target.files) {
+    const file = target.files[idx]
+    console.log('Uploading', file)
     const numChunks = Math.ceil(file.size / chunkSize)
     const document = documentStore.pushUploadingDocuments(file.name)
     open('bottomRight')
@@ -78,14 +83,14 @@ async function uploadFileChangeHandler(event: Event) {
   <template>
     <input
       ref="fileUploadButton"
-      @change="uploadFileChangeHandler"
+      @change="uploadHandler"
       class="upload-input"
       type="file"
       multiple
     />
     <input
       ref="folderUploadButton"
-      @change="uploadFileChangeHandler"
+      @change="uploadHandler"
       class="upload-input"
       type="file"
       webkitdirectory