use Confidential Client instead of Confidential on UI

Author: wxiaoguang

options/locale/locale_en-US.ini

@@ -739,7 +739,7 @@ create_oauth2_application_button = Create Application
 create_oauth2_application_success = You've successfully created a new OAuth2 application.
 update_oauth2_application_success = You've successfully updated the OAuth2 application.
 oauth2_application_name = Application Name
-oauth2_confidential = Confidential. Select for apps that keep the secret confidential, such as web apps. Do not select for native apps including desktop and mobile apps.
+oauth2_confidential_client = Confidential Client. Select for apps that keep the secret confidential, such as web apps. Do not select for native apps including desktop and mobile apps.
 oauth2_redirect_uri = Redirect URI
 save_application = Save
 oauth2_client_id = Client ID

templates/user/settings/applications_oauth2_edit_form.tmpl

@@ -40,7 +40,7 @@
 				<input id="application-name" value="{{.App.Name}}" name="application_name" required>
 			</div>
 			<div class="field ui checkbox {{if .Err_Confidential}}error{{end}}">
-				<label>{{.locale.Tr "settings.oauth2_confidential"}}</label>
+				<label>{{.locale.Tr "settings.oauth2_confidential_client"}}</label>
 				<input type="checkbox" name="confidential" {{if .App.Confidential}}checked{{end}}>
 			</div>
 			<div class="field {{if .Err_RedirectURI}}error{{end}}">

templates/user/settings/applications_oauth2_list.tmpl

@@ -34,7 +34,7 @@
 			<input id="application-name" name="application_name" value="{{.application_name}}" required>
 		</div>
 		<div class="field ui checkbox {{if .Err_Confidential}}error{{end}}">
-			<label>{{.locale.Tr "settings.oauth2_confidential"}}</label>
+			<label>{{.locale.Tr "settings.oauth2_confidential_client"}}</label>
 			<input type="checkbox" name="confidential" checked>
 		</div>
 		<div class="field {{if .Err_RedirectURI}}error{{end}}">