Fix use of 'onRollback' callback for collection validator options in 'collection_impl.cpp'

const encryptSchema = { $jsonSchema: {properties: {_id: {encrypt: {}}}} }; const collName = "repro" ; db.createCollection(collName, {validator: encryptSchema, validationAction: "error" }); assert.commandFailedWithCode(db.runCommand({collMod: collName, validationAction: "warn" }), ErrorCodes.QueryFeatureNotAllowed); print(tojson(db.runCommand({validate: collName, full: true }))); The above script will produce the following error: "stored value for validation action does not match cached value: error != warn"