Fix #382: Remove parallelization of uploads during import to avoid crashing small servers

changes/changelog.d/382.bugfix

+Remove parallelization of uploads during import to avoid crashing small servers (#382)

front/src/components/library/import/FileUpload.vue

@@ -15,7 +15,7 @@
         accept="audio/*"
         v-model="files"
         name="audio_file"
-        :thread="3"
+        :thread="1"
         @input-filter="inputFilter"
         @input-file="inputFile"
         ref="upload">