fix root context

Author: trueadm

packages/svelte/src/internal/client/render.js

@@ -208,8 +208,9 @@ function _mount(Component, { target, anchor, props = {}, events, context, intro
 		var anchor_node = anchor ?? target.appendChild(create_text());
 
 		branch(() => {
+			push({});
+			
 			if (context) {
-				push({});
 				var ctx = /** @type {ComponentContext} */ (component_context);
 				ctx.c = context;
 			}
@@ -232,9 +233,7 @@ function _mount(Component, { target, anchor, props = {}, events, context, intro
 				/** @type {Effect} */ (active_effect).nodes_end = hydrate_node;
 			}
 
-			if (context) {
-				pop();
-			}
+			pop();
 		});
 
 		return () => {