fix: tracking when the entire document is loaded

Dyngoose tries to track when the entire document is loaded, so it can
be intelligent about tracking updated and removed attributes to perform
update operations.

This was breaking when loading a request without a projection, which is
the default behavior.

src/query/primary-key.ts

@@ -157,7 +157,7 @@ export class PrimaryKey<T extends Table, HashKeyType extends PrimaryKeyType, Ran
     const getGetInput: Partial<PrimaryKeyGetGetItemInput> = input == null ? ((range == null || isKeyValue(range)) ? {} : range as PrimaryKeyGetInput) : input
     getGetInput.key = record.getDynamoKey()
     const getItemInput = this.getGetInput(getGetInput as PrimaryKeyGetGetItemInput)
-    const hasProjection = getItemInput.ProjectionExpression == null
+    const entireDocument = getItemInput.ProjectionExpression == null
     let dynamoRecord: GetItemOutput
 
     try {
@@ -167,7 +167,7 @@ export class PrimaryKey<T extends Table, HashKeyType extends PrimaryKeyType, Ran
     }
 
     if (dynamoRecord.Item != null) {
-      return this.table.fromDynamo(dynamoRecord.Item, !hasProjection)
+      return this.table.fromDynamo(dynamoRecord.Item, entireDocument)
     }
   }