Add modals to Organization and Team remove/leave (#16471)

* Add modals to Organization and Team remove/leave

Add confirmation modals to Organization and Team remove and leave.

Fix #16215

Signed-off-by: Andrew Thornton <art27@cantab.net>

* avoid for-in

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Revert "avoid for-in"

This reverts commit 2af9a6f9d46ed31b6fc6e3a29e695577dcf09f75.

* Apply suggestions from code review

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

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

templates/org/team/teams.tmpl

@@ -17,9 +17,10 @@
 						<a class="text black" href="{{$.OrgLink}}/teams/{{.LowerName}}"><strong>{{.Name}}</strong></a>
 						<div class="ui right">
 							{{if .IsMember $.SignedUser.ID}}
-								<form method="post" action="{{$.OrgLink}}/teams/{{.LowerName}}/action/leave">
-									{{$.CsrfTokenHtml}}
-									<button type="submit" class="ui red small button" name="uid" value="{{$.SignedUser.ID}}">{{$.i18n.Tr "org.teams.leave"}}</button>
+								<form>
+									<button class="ui red tiny button delete-button" data-modal-id="leave-team"
+										data-url="{{$.OrgLink}}/teams/{{.LowerName}}/action/leave" data-datauid="{{$.SignedUser.ID}}"
+										data-name="{{.Name}}">{{$.i18n.Tr "org.teams.leave"}}</button>
 								</form>
 							{{else if $.IsOrganizationOwner}}
 								<form method="post" action="{{$.OrgLink}}/teams/{{.LowerName}}/action/join">
@@ -44,4 +45,14 @@
 		</div>
 	</div>
 </div>
+<div class="ui small basic delete modal" id="leave-team">
+	<div class="ui icon header">
+		{{svg "octicon-x" 16 "close inside"}}
+		{{$.i18n.Tr "org.teams.leave"}}
+	</div>
+	<div class="content">
+		<p>{{$.i18n.Tr "org.teams.leave.detail" `<span class="name"></span>` | Safe}}</p>
+	</div>
+	{{template "base/delete_modal_actions" .}}
+</div>
 {{template "base/footer" .}}