fix(client): allow clicking empty cells to view historical incidents

client/src/Pages/StatusPage/Status/themes/shared/ThemedHeatmap.tsx

@@ -31,7 +31,15 @@ export const ThemedHeatmap = ({ cells, containerSx, cellSx, onCellClick }: Props
 					return (
 						<Box
 							key={cell.key}
-							sx={cellSx("empty")}
+							sx={[
+								cellSx("empty"),
+								!!cell.date && !!onCellClick && { cursor: "pointer" },
+							]}
+							onClick={() => {
+								if (cell.date && onCellClick) {
+									onCellClick(cell.date);
+								}
+							}}
 						/>
 					);
 				}

client/src/Pages/StatusPage/Status/themes/shared/ThemedHistogram.tsx

@@ -51,7 +51,15 @@ export const ThemedHistogram = ({
 						return (
 							<Box
 								key={cell.key}
-								sx={barSx("empty", cell.heightPct)}
+								sx={[
+									barSx("empty", cell.heightPct),
+									!!cell.date && !!onCellClick && { cursor: "pointer" },
+								]}
+								onClick={() => {
+									if (cell.date && onCellClick) {
+										onCellClick(cell.date);
+									}
+								}}
 							/>
 						);
 					}