Hide zoom buttons if they are not enabled

Author: kshmidt-digma

packages/jaeger-ui/src/components/App/index.jsx

@@ -67,7 +67,7 @@ export default class JaegerUIApp extends Component {
   }
 
   _handleZoomKeyboardShortcuts(e) {
-    if ((window.enableZoomControls && e.metaKey) || e.ctrlKey) {
+    if (window.enableZoomControls && (e.metaKey || e.ctrlKey)) {
       switch (e.key) {
         case '-':
           this.zoomManager.zoomOut();

packages/jaeger-ui/src/components/TracePage/TracePageHeader/TracePageHeader.tsx

@@ -200,7 +200,7 @@ export function TracePageHeaderFn(props: TracePageHeaderEmbedProps & { forwarded
             Archive Trace
           </Button>
         )}
-        <ZoomControls className="TracePageHeader--zoomControls" />
+        {window.enableZoomControls && <ZoomControls className="TracePageHeader--zoomControls" />}
         {showStandaloneLink && (
           <Link
             className="u-tx-inherit ub-nowrap ub-mx2"