show private studies in list widgets

app/views/study/bits.scala

@@ -37,6 +37,10 @@ object bits {
       div(
         tag(cls := "study-name")(s.study.name.value),
         span(
+          !s.study.isPublic option frag(
+            iconTag("a")(cls := "private", ariaTitle("Private")),
+            " "
+          ),
           iconTag(if (s.liked) "" else ""),
           " ",
           s.study.likes.value,

ui/analyse/css/study/_list-widget.scss

@@ -63,6 +63,9 @@ $c-study: $c-primary;
           display: none;
         }
       }
+      .private {
+        color: $c-brag;
+      }
     }
     &:hover {
       background: mix($c-study, $c-bg-box, 10%);