fix(document): handle #9396 case by only applying #13973 logic if in transaction

Author: vkarpov15

lib/document.js

@@ -1475,13 +1475,15 @@ Document.prototype.$set = function $set(path, val, type, options) {
 
     this.$__set(pathToMark, path, options, constructing, parts, schema, val, priorVal);
 
+    const isInTransaction = !!this.$__.session?.transaction;
+    const isModifiedWithinTransaction = this.$__.session &&
+      this.$__.session[sessionNewDocuments] &&
+      this.$__.session[sessionNewDocuments].has(this) &&
+      this.$__.session[sessionNewDocuments].get(this).modifiedPaths &&
+      !this.$__.session[sessionNewDocuments].get(this).modifiedPaths.has(savedStatePath);
     if (savedState != null &&
         savedState.hasOwnProperty(savedStatePath) &&
-        this.$__.session &&
-        this.$__.session[sessionNewDocuments] &&
-        this.$__.session[sessionNewDocuments].has(this) &&
-        this.$__.session[sessionNewDocuments].get(this).modifiedPaths &&
-        !this.$__.session[sessionNewDocuments].get(this).modifiedPaths.has(savedStatePath) &&
+        (!isInTransaction || isModifiedWithinTransaction) &&
         utils.deepEqual(val, savedState[savedStatePath])) {
       this.unmarkModified(path);
     }