Fixes graph errors

Author: d13

src/webviews/apps/plus/graph-next/graph-header.ts

@@ -785,10 +785,8 @@ export class GlGraphHeader extends SignalWatcher(LitElement) {
 							<code-icon icon="rocket"></code-icon>
 						</a>
 						<span slot="content">
-							<span style="white-space: break-spaces">
-								<strong>Launchpad</strong> &mdash; organizes your pull requests into actionable groups
-								to help you focus and keep your team unblocked
-							</span>
+							<strong>Launchpad</strong> &mdash; organizes your pull requests into actionable groups to
+							help you focus and keep your team unblocked
 						</span>
 					</gl-tooltip>
 					<gl-tooltip placement="bottom">

src/webviews/apps/plus/graph-next/graph-wrapper/graph-wrapper.react.tsx

@@ -516,7 +516,7 @@ export function GraphWrapperReact(props: Readonly<GraphWrapperEvents & GraphWrap
 			}
 			onGraphRowUnhovered={(e, graphZoneType, graphRow) =>
 				props.onGraphRowUnhovered?.({
-					relatedTarget: e.relatedTarget,
+					relatedTarget: e.nativeEvent.relatedTarget ?? e.relatedTarget,
 					graphRow: graphRow,
 					graphZoneType: graphZoneType,
 				})

src/webviews/apps/shared/components/button.ts

@@ -211,26 +211,38 @@ export class GlButton extends LitElement {
 	@property()
 	href?: string;
 
-	@property({ reflect: true })
-	// eslint-disable-next-line lit/no-native-attributes
-	override get role(): 'link' | 'button' {
-		return this.href ? 'link' : 'button';
-	}
-
 	@property()
 	tooltip?: string;
 
 	@property()
 	tooltipPlacement?: GlTooltip['placement'] = 'bottom';
 
-	protected override updated(changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>): void {
-		super.updated(changedProperties);
+	override connectedCallback(): void {
+		super.connectedCallback();
 
-		if (changedProperties.has('disabled')) {
+		this.setAttribute('role', this.href ? 'link' : 'button');
+		if (this.disabled) {
 			this.setAttribute('aria-disabled', this.disabled.toString());
 		}
 	}
 
+	protected override willUpdate(changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>): void {
+		if (changedProperties.has('href')) {
+			this.setAttribute('role', this.href ? 'link' : 'button');
+		}
+
+		if (changedProperties.has('disabled')) {
+			const disabled = changedProperties.get('disabled');
+			if (disabled) {
+				this.setAttribute('aria-disabled', disabled.toString());
+			} else {
+				this.removeAttribute('aria-disabled');
+			}
+		}
+
+		super.willUpdate(changedProperties);
+	}
+
 	protected override render(): unknown {
 		if (this.tooltip) {
 			return html`<gl-tooltip .content=${this.tooltip} placement=${ifDefined(this.tooltipPlacement)}