Send PR icon to the graph

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

@@ -114,6 +114,7 @@ const createIconElements = (): { [key: string]: ReactElement } => {
 		'deleted',
 		'renamed',
 		'resolved',
+		'pull-request',
 	];
 	const elementLibrary: { [key: string]: ReactElement<any> } = {};
 	iconList.forEach(iconKey => {

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

@@ -434,6 +434,15 @@ a {
 	}
 }
 
+.icon--pull-request {
+	&::before {
+		// codicon-git-pull-request
+		font-family: codicon;
+		content: '\ea64';
+	}
+}
+
+
 .titlebar {
 	background: var(--vscode-titleBar-inactiveBackground);
 	color: var(--vscode-titleBar-inactiveForeground);