[Fixes #19852] Remove leading slash on authorization links (#20026)

* Makes the Uris base relative instead host relative.

Author: MiroKov

src/ProjectTemplates/Web.Spa.ProjectTemplates/content/Angular-CSharp/ClientApp/src/api-authorization/api-authorization.constants.ts

@@ -23,7 +23,7 @@ export const LoginActions = {
 
 let applicationPaths: ApplicationPathsType = {
   DefaultLoginRedirectPath: '/',
-  ApiAuthorizationClientConfigurationUrl: `/_configuration/${ApplicationName}`,
+  ApiAuthorizationClientConfigurationUrl: `_configuration/${ApplicationName}`,
   Login: `authentication/${LoginActions.Login}`,
   LoginFailed: `authentication/${LoginActions.LoginFailed}`,
   LoginCallback: `authentication/${LoginActions.LoginCallback}`,
@@ -40,8 +40,8 @@ let applicationPaths: ApplicationPathsType = {
   LogOutPathComponents: [],
   LoggedOutPathComponents: [],
   LogOutCallbackPathComponents: [],
-  IdentityRegisterPath: '/Identity/Account/Register',
-  IdentityManagePath: '/Identity/Account/Manage'
+  IdentityRegisterPath: 'Identity/Account/Register',
+  IdentityManagePath: 'Identity/Account/Manage'
 };
 
 applicationPaths = {

src/ProjectTemplates/Web.Spa.ProjectTemplates/content/React-CSharp/ClientApp/src/components/api-authorization/ApiAuthorizationConstants.js

@@ -23,7 +23,7 @@ const prefix = '/authentication';
 
 export const ApplicationPaths = {
   DefaultLoginRedirectPath: '/',
-  ApiAuthorizationClientConfigurationUrl: `/_configuration/${ApplicationName}`,
+  ApiAuthorizationClientConfigurationUrl: `_configuration/${ApplicationName}`,
   ApiAuthorizationPrefix: prefix,
   Login: `${prefix}/${LoginActions.Login}`,
   LoginFailed: `${prefix}/${LoginActions.LoginFailed}`,
@@ -33,6 +33,6 @@ export const ApplicationPaths = {
   LogOut: `${prefix}/${LogoutActions.Logout}`,
   LoggedOut: `${prefix}/${LogoutActions.LoggedOut}`,
   LogOutCallback: `${prefix}/${LogoutActions.LogoutCallback}`,
-  IdentityRegisterPath: '/Identity/Account/Register',
-  IdentityManagePath: '/Identity/Account/Manage'
+  IdentityRegisterPath: 'Identity/Account/Register',
+  IdentityManagePath: 'Identity/Account/Manage'
 };