Revert "fix: live query server crashing due to missing __type being accessed on undefined"

This reverts commit 31c41cb.

Author: hariprasadiit

src/LiveQuery/QueryTools.js

@@ -99,12 +99,7 @@ function contains(haystack: Array, needle: any): boolean {
       if (typeof ptr === 'string' && ptr === needle.objectId) {
         return true;
       }
-      if (
-        ptr &&
-        ptr.className &&
-        ptr.className === needle.className &&
-        ptr.objectId === needle.objectId
-      ) {
+      if (ptr.className === needle.className && ptr.objectId === needle.objectId) {
         return true;
       }
     }
@@ -217,7 +212,6 @@ function matchesKeyConstraints(object, key, constraints) {
       return equalObjectsGeneric(object[key], constraints, function (obj, ptr) {
         return (
           typeof obj !== 'undefined' &&
-          obj !== null &&
           ptr.className === obj.className &&
           ptr.objectId === obj.objectId
         );
@@ -229,7 +223,7 @@ function matchesKeyConstraints(object, key, constraints) {
   // More complex cases
   for (var condition in constraints) {
     compareTo = constraints[condition];
-    if (compareTo?.__type) {
+    if (compareTo.__type) {
       compareTo = Parse._decode(key, compareTo);
     }
     switch (condition) {