Fixed not being able to clear price field

Resolves #525

client/src/pages/filaments/edit.tsx

@@ -6,7 +6,7 @@ import dayjs from "dayjs";
 import React, { useEffect, useState } from "react";
 import { ExtraFieldFormItem, ParsedExtras, StringifiedExtras } from "../../components/extraFields";
 import { MultiColorPicker } from "../../components/multiColorPicker";
-import { numberFormatter, numberParser } from "../../utils/parsing";
+import { numberFormatter, numberParser, numberParserAllowEmpty } from "../../utils/parsing";
 import { EntityType, useGetFields } from "../../utils/queryFields";
 import { getCurrencySymbol, useCurrency } from "../../utils/settings";
 import { IVendor } from "../vendors/model";
@@ -226,7 +226,7 @@ export const FilamentEdit: React.FC<IResourceComponentsProps> = () => {
             addonAfter={getCurrencySymbol(undefined, currency)}
             precision={2}
             formatter={numberFormatter}
-            parser={numberParser}
+            parser={numberParserAllowEmpty}
           />
         </Form.Item>
         <Form.Item