csrf fixes (#4915)

# Description of Changes

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frontend/src/proprietary/auth/springAuthClient.ts

@@ -107,7 +107,7 @@ class SpringAuthClient {
     for (const cookie of cookies) {
       const [name, value] = cookie.trim().split('=');
       if (name === 'XSRF-TOKEN') {
-        return value;
+        return decodeURIComponent(value);
       }
     }
     return null;
@@ -278,7 +278,7 @@ class SpringAuthClient {
     try {
       const response = await apiClient.post('/api/v1/auth/logout', null, {
         headers: {
-          'X-CSRF-TOKEN': this.getCsrfToken() || '',
+          'X-XSRF-TOKEN': this.getCsrfToken() || '',
         },
         withCredentials: true,
       });
@@ -311,7 +311,7 @@ class SpringAuthClient {
     try {
       const response = await apiClient.post('/api/v1/auth/refresh', null, {
         headers: {
-          'X-CSRF-TOKEN': this.getCsrfToken() || '',
+          'X-XSRF-TOKEN': this.getCsrfToken() || '',
         },
         withCredentials: true,
       });