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Fix npe on load
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@ -52,8 +52,13 @@ abstract class PersistenceManager {
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}
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}
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protected getCSRFToken(): string {
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return document.head.querySelector('meta[name="_csrf"]').getAttribute('content');
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protected getCSRFToken(): string | null {
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const meta = document.head.querySelector('meta[name="_csrf"]');
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let result = null;
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if (meta) {
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result = meta.getAttribute('content');
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}
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return result;
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}
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load(mapId: string) {
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