feat: replace action row with a FAB

app/templates/cotton/components/fab_menu_button.html

@@ -0,0 +1,11 @@
+{% load i18n %}
+<div class="tw-relative fab-item">
+  <button class="btn btn-sm btn-{{ color }}"
+          hx-get="{{ url }}"
+          hx-trigger="{{ hx_trigger }}"
+          hx-target="{{ hx_target }}"
+          hx-vals='{{ hx_vals }}'>
+    <i class="{{ icon }} me-2"></i>
+    {{ title }}
+  </button>
+</div>