refactor(bulma): Add action dropdown, remove card layout

src/fellchensammlung/static/fellchensammlung/js/toggles.js

@@ -40,4 +40,33 @@ document.addEventListener('DOMContentLoaded', () => {
       }
     });
   });
+  // DROPDOWNS
+  const $clickableDropdowns = document.querySelectorAll(
+    ".dropdown:not(.is-hoverable)",
+  );
+
+  if ($clickableDropdowns.length > 0) {
+    $clickableDropdowns.forEach(($dropdown) => {
+      if (!$dropdown.querySelector("button")) {
+        return;
+      }
+
+      $dropdown.querySelector("button").addEventListener("click", (event) => {
+        event.stopPropagation();
+        $dropdown.classList.toggle("is-active");
+      });
+    });
+
+    document.addEventListener("click", () => {
+      closeDropdowns();
+    });
+  }
+
+  function closeDropdowns() {
+    $clickableDropdowns.forEach(($el) => {
+      $el.classList.remove("is-active");
+    });
+  }
 });
+
+