Fix input.value attr for RequiredClaimName/Value (#20946) (#21001)

Values set for RequiredClaimName and RequiredClaimValue do not show up on UI.
Fix typo `values` to `value`.

Co-authored-by: soumyadey <soumya.dey@gmail.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

templates/admin/auth/edit.tmpl

@@ -341,12 +341,12 @@
 					</div>
 					<div class="field">
 						<label for="oauth2_required_claim_name">{{.i18n.Tr "admin.auths.oauth2_required_claim_name"}}</label>
-						<input id="oauth2_required_claim_name" name="oauth2_required_claim_name" values="{{$cfg.RequiredClaimName}}">
+						<input id="oauth2_required_claim_name" name="oauth2_required_claim_name" value="{{$cfg.RequiredClaimName}}">
 						<p class="help">{{.i18n.Tr "admin.auths.oauth2_required_claim_name_helper"}}</p>
 					</div>
 					<div class="field">
 						<label for="oauth2_required_claim_value">{{.i18n.Tr "admin.auths.oauth2_required_claim_value"}}</label>
-						<input id="oauth2_required_claim_value" name="oauth2_required_claim_value" values="{{$cfg.RequiredClaimValue}}">
+						<input id="oauth2_required_claim_value" name="oauth2_required_claim_value" value="{{$cfg.RequiredClaimValue}}">
 						<p class="help">{{.i18n.Tr "admin.auths.oauth2_required_claim_value_helper"}}</p>
 					</div>
 					<div class="field">