Adds files icon for graph changes column

src/webviews/apps/plus/graph/GraphWrapper.tsx

@@ -133,6 +133,7 @@ const createIconElements = (): { [key: string]: ReactElement } => {
 		'datetime',
 		'message',
 		'changes',
+		'files',
 	];
 
 	const miniIconList = ['upstream-ahead', 'upstream-behind'];

src/webviews/apps/plus/graph/graph.scss

@@ -752,6 +752,14 @@ button:not([disabled]),
 			content: '\eb43';
 		}
 	}
+
+	&--files {
+		&::before {
+			// codicon-files
+			font-family: codicon;
+			content: '\eaf0';
+		}
+	}
 }
 
 .titlebar {