docs(es-1702): fix missing image in multistore docs (#7427)

Author: WojtekTheWebDev

docs/content/guides/7.multistore/2.tooling-and-concepts/1.index.md

@@ -149,7 +149,7 @@ Complex hierarchies make sense when you have multiple brands or store families t
 - Business logic
 - Regional customizations
 
-![Composing pages](/guides/6.multistore/img/file-based-inheritance.svg)
+![Composing pages](/guides/7.multistore/img/file-based-inheritance.svg)
 
 In the example above, a single page is composed of:
 - `navbar` component from the base app