re-add "not implemented" tooltip that I forgot

frontend/components/filters/filter-button.tsx

@@ -1,11 +1,12 @@
 import { FilterOption } from "@components/table/table-head";
-import { Button, Checkbox } from "@mantine/core";
+import { Button, Checkbox, Tooltip } from "@mantine/core";
 import { useCallback } from "react";
 import { UnknownFilterOption } from "./filter-select";
 import styles from "./filters.module.css";
 
 type Props<TFilterOption extends string> = {
 	readonly isHidden: boolean;
+	readonly isUnavailable: boolean;
 	readonly onClick: (value: TFilterOption | null) => void;
 	readonly filterOption: UnknownFilterOption | FilterOption<TFilterOption>;
 };
@@ -18,19 +19,26 @@ export function FilterButton<TFilterOption extends string>(
 	}, [props]);
 
 	return (
-		<Button
-			fullWidth
-			justify="start"
-			leftSection={
-				<Checkbox
-					tabIndex={-1}
-					className={styles.checkbox}
-					checked={!props.isHidden}
-				/>
-			}
-			onClick={handleClick}
+		<Tooltip
+			label="Not implemented"
+			disabled={!props.isUnavailable}
 		>
-			{props.filterOption.label || props.filterOption.value}
-		</Button>
+			<Button
+				disabled={props.isUnavailable}
+				fullWidth
+				justify="start"
+				leftSection={
+					<Checkbox
+						disabled={props.isUnavailable}
+						tabIndex={-1}
+						className={styles.checkbox}
+						checked={!props.isUnavailable && !props.isHidden}
+					/>
+				}
+				onClick={handleClick}
+			>
+				{props.filterOption.label || props.filterOption.value}
+			</Button>
+		</Tooltip>
 	);
 }

frontend/components/filters/filter-select.tsx

@@ -85,6 +85,10 @@ export function FilterSelect<
 						filterOption={filterOption}
 						onClick={handleFilterClick}
 						isHidden={hiddenValues.includes(filterOption.value)}
+						isUnavailable={Boolean(
+							filterOption.value &&
+								column.unavailableValues?.includes(filterOption.value),
+						)}
 						key={filterOption.value}
 					/>
 				))}