settings: Reduce width of "Actions" column in tables.

This commit reduces the width of "Actions" column in tables so
that they do not take any unnecessary space.

web/styles/app_components.css

@@ -711,8 +711,11 @@ div.overlay {
         }
     }
 
-    & thead th {
+    & thead th:not(.actions) {
         min-width: 100px;
+    }
+
+    & thead th {
         color: inherit;
         background-color: hsl(0deg 0% 100%);