add better visual indication for dropping files, make dropzone bigger

src/components/media_upload/media_upload.js

@@ -45,20 +45,6 @@ const mediaUpload = {
         this.$emit('all-uploaded')
       }
     },
-    fileDrop (e) {
-      if (e.dataTransfer.files.length > 0) {
-        e.preventDefault() // allow dropping text like before
-        this.multiUpload(e.dataTransfer.files)
-      }
-    },
-    fileDrag (e) {
-      let types = e.dataTransfer.types
-      if (types.contains('Files')) {
-        e.dataTransfer.dropEffect = 'copy'
-      } else {
-        e.dataTransfer.dropEffect = 'none'
-      }
-    },
     clearFile () {
       this.uploadReady = false
       this.$nextTick(() => {

src/components/media_upload/media_upload.vue

@@ -1,10 +1,5 @@
 <template>
-  <div
-    class="media-upload"
-    @drop.prevent
-    @dragover.prevent="fileDrag"
-    @drop="fileDrop"
-  >
+  <div class="media-upload">
     <label
       class="label"
       :title="$t('tool_tip.media_upload')"