Enable upload drag/drop message on folder browser

src/Umbraco.Web.UI.Client/src/less/property-editors.less

@@ -171,7 +171,7 @@ ul.color-picker li a  {
     padding: 20px;
     opacity: 1;
 
-    border: 3px dashed @grayLight;
+    border: 1px dashed @grayLight;
    
     text-align: center;
     font-size: 14px;
@@ -181,12 +181,11 @@ ul.color-picker li a  {
 
 
 .umb-upload-drop-zone .info i.icon, .umb-upload-button-big i.icon{
-  font-size: 85px;
-  line-height: 100px
+  font-size: 55px;
+  line-height: 70px
 }
 
-.umb-upload-button-big {display: none}
-.touch .umb-upload-button-big {display: block}
+.umb-upload-button-big {display: block}
 .umb-upload-button-big input {
   left: 0;
   bottom: 0;

src/Umbraco.Web.UI.Client/src/views/dashboard/media/mediafolderbrowser.html

@@ -6,7 +6,10 @@ data-file-upload="options"
 data-file-upload-progress="" 
 data-ng-class="{'fileupload-processing': processing() || loadingFiles}">
         
-        <span class="btn fileinput-button umb-upload-button-big" ng-class="{disabled: disabled}">
+
+        <span class="btn fileinput-button umb-upload-button-big" 
+        ng-class="{disabled: disabled}" ng-show="touchDevice || images.length === 0">
+
             <i class="icon icon-page-up"></i>
             <p>Click to upload</p>
             <input type="file" name="files[]" multiple ng-disabled="disabled">

src/Umbraco.Web.UI.Client/src/views/propertyeditors/folderbrowser/folderbrowser.html

@@ -6,7 +6,9 @@ data-file-upload="options"
 data-file-upload-progress="" 
 data-ng-class="{'fileupload-processing': processing() || loadingFiles}">
         
-		<span class="btn fileinput-button umb-upload-button-big" ng-class="{disabled: disabled}">
+		<span class="btn fileinput-button umb-upload-button-big" 
+            ng-show="touchDevice || images.length === 0"
+            ng-class="{disabled: disabled}">
 		    <i class="icon icon-page-up"></i>
 		    <p>Click to upload</p>
 		    <input type="file" name="files[]" multiple ng-disabled="disabled">