Move event emitter before async function call so it will hopefully trigger the change event on the parent component earlier.

Update this.changed inside if statement because it should only be updated if the file is successfully uploaded.

js/components/upload_input.js

@@ -58,18 +58,18 @@ export default {
         this.$refs.attachmentFilename.value = file.name
         this.$refs.attachmentObjectName.value = response.objectName
         this.$refs.attachmentInput.disabled = true
+        emitFieldChange(this)
+        this.changed = true
 
         this.downloadLink = await this.getDownloadLink(
           file.name,
           response.objectName
         )
       } else {
+        emitFieldChange(this)
+        this.changed = true
         this.uploadError = true
       }
-
-      this.changed = true
-
-      emitFieldChange(this)
     },
     removeAttachment: function(e) {
       e.preventDefault()