fix(mongo): preserve date-shaped string values

apps/desktop/src/lib/mongo/mongoDocumentValues.ts

@@ -2,7 +2,6 @@ export type MongoInputValue = string | number | boolean | null;
 
 const MONGO_SHELL_DATE_PATTERN = /^(?:ISODate|new Date)\(\s*(["'])(.+)\1\s*\)$/;
 const MONGO_SHELL_NUMBER_LONG_PATTERN = /^NumberLong\(\s*(["'])(-?\d+)\1\s*\)$/;
-const LEGACY_MONGO_DATE_DISPLAY_PATTERN = /^(\d{4}-\d{2}-\d{2})[ T](\d{2}:\d{2}:\d{2})(?:\.(\d{1,3}))?$/;
 const MONGO_OBJECT_ID_PATTERN = /^[a-fA-F0-9]{24}$/;
 const MONGO_INTEGER_PATTERN = /^-?\d+$/;
 const MAX_SAFE_BIGINT = BigInt(Number.MAX_SAFE_INTEGER);
@@ -28,9 +27,6 @@ export function parseMongoDocumentInputValue(raw: MongoInputValue): unknown {
   const shellNumberLong = mongoShellNumberLongToExtendedJson(trimmed);
   if (shellNumberLong !== trimmed) return shellNumberLong;
 
-  const legacyDate = legacyMongoDateDisplayToExtendedJson(trimmed);
-  if (legacyDate) return legacyDate;
-
   if (MONGO_INTEGER_PATTERN.test(trimmed)) {
     const integer = BigInt(trimmed);
     if (integer > MAX_SAFE_BIGINT || integer < -MAX_SAFE_BIGINT) {
@@ -67,13 +63,6 @@ function mongoDocumentFieldValue(document: unknown, field: string): unknown {
   return (document as Record<string, unknown>)[field];
 }
 
-function legacyMongoDateDisplayToExtendedJson(value: string): { $date: string } | null {
-  const match = value.match(LEGACY_MONGO_DATE_DISPLAY_PATTERN);
-  if (!match) return null;
-  const [, date, time, millis = "000"] = match;
-  return { $date: `${date}T${time}.${millis.padEnd(3, "0")}Z` };
-}
-
 function mongoShellNumberLongToExtendedJson(value: string): unknown {
   const match = value.match(MONGO_SHELL_NUMBER_LONG_PATTERN);
   return match ? { $numberLong: match[2] } : value;