Fix container layer display overflow (go-gitea#22208)

Before:

![attels](https://user-images.githubusercontent.com/165205/209109653-6c690569-ddbe-4d8b-ab42-66b9a9c6a556.png)


After:

![attels](https://user-images.githubusercontent.com/165205/209110521-8aa8fc1c-21c8-4280-9b39-ab560b6d95f4.png)

Author: lafriks

templates/package/content/container.tmpl

@@ -46,7 +46,7 @@
 	{{end}}
 	{{if .PackageDescriptor.Metadata.ImageLayers}}
 		<h4 class="ui top attached header">{{.locale.Tr "packages.container.layers"}}</h4>
-		<div class="ui attached segment">
+		<div class="ui attached segment word-break">
 			<table class="ui very basic compact table">
 				<tbody>
 					{{range .PackageDescriptor.Metadata.ImageLayers}}