Index: frontend/node_modules/klona/lite/index.d.ts
===================================================================
--- frontend/node_modules/klona/lite/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/klona/lite/index.d.ts	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,1 @@
+export function klona<T>(input: T): T;
Index: frontend/node_modules/klona/lite/index.js
===================================================================
--- frontend/node_modules/klona/lite/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/klona/lite/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,53 @@
+function klona(x) {
+	if (typeof x !== 'object') return x;
+
+	var k, tmp, str=Object.prototype.toString.call(x);
+
+	if (str === '[object Object]') {
+		if (x.constructor !== Object && typeof x.constructor === 'function') {
+			tmp = new x.constructor();
+			for (k in x) {
+				if (x.hasOwnProperty(k) && tmp[k] !== x[k]) {
+					tmp[k] = klona(x[k]);
+				}
+			}
+		} else {
+			tmp = {}; // null
+			for (k in x) {
+				if (k === '__proto__') {
+					Object.defineProperty(tmp, k, {
+						value: klona(x[k]),
+						configurable: true,
+						enumerable: true,
+						writable: true,
+					});
+				} else {
+					tmp[k] = klona(x[k]);
+				}
+			}
+		}
+		return tmp;
+	}
+
+	if (str === '[object Array]') {
+		k = x.length;
+		for (tmp=Array(k); k--;) {
+			tmp[k] = klona(x[k]);
+		}
+		return tmp;
+	}
+
+	if (str === '[object Date]') {
+		return new Date(+x);
+	}
+
+	if (str === '[object RegExp]') {
+		tmp = new RegExp(x.source, x.flags);
+		tmp.lastIndex = x.lastIndex;
+		return tmp;
+	}
+
+	return x;
+}
+
+exports.klona = klona;
Index: frontend/node_modules/klona/lite/index.min.js
===================================================================
--- frontend/node_modules/klona/lite/index.min.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/klona/lite/index.min.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,1 @@
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(e.klona={})}(this,(function(e){e.klona=function e(t){if("object"!=typeof t)return t;var o,n,r=Object.prototype.toString.call(t);if("[object Object]"===r){if(t.constructor!==Object&&"function"==typeof t.constructor)for(o in n=new t.constructor,t)t.hasOwnProperty(o)&&n[o]!==t[o]&&(n[o]=e(t[o]));else for(o in n={},t)"__proto__"===o?Object.defineProperty(n,o,{value:e(t[o]),configurable:!0,enumerable:!0,writable:!0}):n[o]=e(t[o]);return n}if("[object Array]"===r){for(o=t.length,n=Array(o);o--;)n[o]=e(t[o]);return n}return"[object Date]"===r?new Date(+t):"[object RegExp]"===r?((n=new RegExp(t.source,t.flags)).lastIndex=t.lastIndex,n):t}}));
Index: frontend/node_modules/klona/lite/index.mjs
===================================================================
--- frontend/node_modules/klona/lite/index.mjs	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/klona/lite/index.mjs	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,51 @@
+export function klona(x) {
+	if (typeof x !== 'object') return x;
+
+	var k, tmp, str=Object.prototype.toString.call(x);
+
+	if (str === '[object Object]') {
+		if (x.constructor !== Object && typeof x.constructor === 'function') {
+			tmp = new x.constructor();
+			for (k in x) {
+				if (x.hasOwnProperty(k) && tmp[k] !== x[k]) {
+					tmp[k] = klona(x[k]);
+				}
+			}
+		} else {
+			tmp = {}; // null
+			for (k in x) {
+				if (k === '__proto__') {
+					Object.defineProperty(tmp, k, {
+						value: klona(x[k]),
+						configurable: true,
+						enumerable: true,
+						writable: true,
+					});
+				} else {
+					tmp[k] = klona(x[k]);
+				}
+			}
+		}
+		return tmp;
+	}
+
+	if (str === '[object Array]') {
+		k = x.length;
+		for (tmp=Array(k); k--;) {
+			tmp[k] = klona(x[k]);
+		}
+		return tmp;
+	}
+
+	if (str === '[object Date]') {
+		return new Date(+x);
+	}
+
+	if (str === '[object RegExp]') {
+		tmp = new RegExp(x.source, x.flags);
+		tmp.lastIndex = x.lastIndex;
+		return tmp;
+	}
+
+	return x;
+}