Use cmd on mac (#1562)

renderer/src/builtins/developer/devtools.js

@@ -13,7 +13,8 @@ export default new class DevToolsListener extends Builtin {
     }
 
     toggleDevTools(e) {
-        if (e.ctrlKey && e.shiftKey && e.key === "I") {
+        const metaKey = process.platform === "darwin" ? e.metaKey : e.ctrlKey;
+        if (metaKey && e.shiftKey && e.key === "I") {
             e.stopPropagation();
             e.preventDefault();
             if (this.get(this.collection, this.category, this.id)) IPC.toggleDevTools();

renderer/src/builtins/developer/inspectelement.js

@@ -15,7 +15,8 @@ export default new class InspectElement extends Builtin {
     }
 
     inspectElement(e) {
-        if (e.ctrlKey && e.shiftKey && e.key === "C") { // Ctrl + Shift + C
+        const metaKey = process.platform === "darwin" ? e.metaKey : e.ctrlKey;
+        if (metaKey && e.shiftKey && e.key === "C") { // Ctrl/Cmd + Shift + C
             IPC.inspectElement();
         }
     }