Fix shadow when dragging from sprints

app/coffee/modules/backlog/sortable.coffee

@@ -168,7 +168,9 @@ SprintSortableDirective = ($repo, $rs, $rootscope) ->
                     scroll: true
                     dropOnEmpty: true
                     items: ".sprint-table .milestone-us-item-row",
-                    connectWith: ".sprint,.backlog-table-body,.empty-backlog"
+                    connectWith: ".sprint,.backlog-table-body,.empty-backlog",
+                    placeholder: "row us-item-row sortable-placeholder",
+                    forcePlaceholderSize:true
                 })
 
                 $el.on "multiplesortreceive", (event, ui) ->

app/styles/modules/backlog/backlog-table.scss

@@ -130,10 +130,6 @@
         &:last-child {
             border-bottom: 0;
         }
-        &.sortable-placeholder {
-            background: $whitish;
-            height: 40px;
-        }
         &.ui-sortable-helper {
             background: lighten($green-taiga, 60%);
             box-shadow: 1px 1px 10px rgba($black, .1);
@@ -146,6 +142,11 @@
             }
         }
     }
+    .sortable-placeholder {
+        background: $whitish;
+        height: 40px;
+        width: 100%;
+    }
     .row-selected {
         background: lighten($green-taiga, 60%);
         transition: background .2s ease-in;

app/styles/modules/home-project.scss

@@ -38,7 +38,9 @@
         margin-right: 1rem;
     }
     .involved-data {
-        flex-basis: 200px;
+        flex-basis: 220px;
+        flex-shrink: 0;
+        width: 220px;
     }
     .involved-team,
     .involved-organization {