feat: disable chat by default (#2327)

patches/chat.patch

@@ -0,0 +1,9 @@
+diff --git a/src/vs/workbench/contrib/chat/browser/chat.contribution.ts b/src/vs/workbench/contrib/chat/browser/chat.contribution.ts
+index 56220de..68d708f 100644
+--- a/src/vs/workbench/contrib/chat/browser/chat.contribution.ts
++++ b/src/vs/workbench/contrib/chat/browser/chat.contribution.ts
+@@ -142,3 +142,3 @@ configurationRegistry.registerConfiguration({
+ 			markdownDescription: nls.localize('chat.commandCenter.enabled', "Controls whether the command center shows a menu for actions to control Copilot (requires {0}).", '`#window.commandCenter#`'),
+-			default: true
++			default: false
+ 		},