🚧 Add BoxFullScrollable (still WIP, doesn't support auto resizing)

Is it even possible?

code/frontend/src/components/BoxFullScrollable.js

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+import React from "react"
+import Style from "./BoxFullScrollable.module.css"
+import classNames from "classnames"
+import BoxFull from "./BoxFull"
+
+
+/**
+ * A {@link BoxFull} whose body does not grow automatically but instead supports scrolling.
+ *
+ * @todo Is there a way to allow the box body to grow automatically...?
+ *
+ * @param children - The contents of the box body.
+ * @param childrenClassName - Additional class(es) added to the inner `<div>` acting as the body.
+ * @param height - The fixed height of the box body.
+ * @param props - Additional props to pass to the box.
+ * @returns {JSX.Element}
+ * @constructor
+ */
+export default function BoxFullScrollable({ children, childrenClassName, height, ...props }) {
+    return (
+        <BoxFull
+            childrenClassName={classNames(Style.ScrollableBody, childrenClassName)}
+            childrenProps={{"style": {"height": height}}}
+            {...props}
+        >
+            {children}
+        </BoxFull>
+    )
+}

code/frontend/src/components/BoxFullScrollable.module.css

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+.ScrollableBody {
+    flex-grow: 0;
+
+    overflow-y: scroll;
+}