Tweak size

packages/@uppy/dashboard/src/style.scss

@@ -750,7 +750,7 @@ a.uppy-Dashboard-poweredBy {
 
 .uppy-DashboardItem-previewIconWrap {
   height: 75px;
-  max-height: 80%;
+  max-height: 75%;
   position: relative;
 
   .uppy-size--md & {