Skip dirty check for team forms (#21154)

The dirty check is not usefull for these forms.

templates/org/team/members.tmpl

@@ -9,7 +9,7 @@
 				{{template "org/team/navbar" .}}
 				{{if .IsOrganizationOwner}}
 					<div class="ui attached segment">
-						<form class="ui form" id="add-member-form" action="{{$.OrgLink}}/teams/{{$.Team.LowerName | PathEscape}}/action/add" method="post">
+						<form class="ui form ignore-dirty" id="add-member-form" action="{{$.OrgLink}}/teams/{{$.Team.LowerName | PathEscape}}/action/add" method="post">
 							{{.CsrfTokenHtml}}
 							<input type="hidden" name="uid" value="{{.SignedUser.ID}}">
 							<div class="inline field ui left">

templates/org/team/repositories.tmpl

@@ -11,7 +11,7 @@
 				{{if $canAddRemove}}
 					<div class="ui attached segment" id="repo-top-segment">
 						<div class="inline ui field left">
-							<form class="ui form" id="add-repo-form" action="{{$.OrgLink}}/teams/{{$.Team.LowerName | PathEscape}}/action/repo/add" method="post">
+							<form class="ui form ignore-dirty" id="add-repo-form" action="{{$.OrgLink}}/teams/{{$.Team.LowerName | PathEscape}}/action/repo/add" method="post">
 								{{.CsrfTokenHtml}}
 								<div class="inline field ui left">
 									<div id="search-repo-box" data-uid="{{.Org.ID}}" class="ui search">