Fix overflow on notifications (#31178) (#31237)

Backport #31178 by @silverwind

Fixes https://github.com/go-gitea/gitea/issues/31170.

<img width="1312" alt="image"
src="https://github.com/go-gitea/gitea/assets/115237/627711ed-93ca-4be6-b958-10d673ae9517">

Co-authored-by: silverwind <me@silverwind.io>

templates/user/notification/notification_div.tmpl

@@ -44,14 +44,14 @@
 								{{end}}
 							</div>
 							<a class="notifications-link tw-flex tw-flex-1 tw-flex-col silenced" href="{{.Link ctx}}">
-								<div class="notifications-top-row tw-text-13">
+								<div class="notifications-top-row tw-text-13 tw-break-anywhere">
 									{{.Repository.FullName}} {{if .Issue}}<span class="text light-3">#{{.Issue.Index}}</span>{{end}}
 									{{if eq .Status 3}}
 										{{svg "octicon-pin" 13 "text blue tw-mt-0.5 tw-ml-1"}}
 									{{end}}
 								</div>
 								<div class="notifications-bottom-row tw-text-16 tw-py-0.5">
-									<span class="issue-title">
+									<span class="issue-title tw-break-anywhere">
 										{{if .Issue}}
 											{{.Issue.Title | RenderEmoji $.Context | RenderCodeBlock}}
 										{{else}}