Cater for key definitions rework (#1269)

* Keys structure update

* Bump metadata, pull new keys

* Update for latest

* Update tests for new values

* Polkador session keys override

* Cleanup tests (browserlist adjustments)

* Update metadata

* Bump deps

packages/api-metadata/src/consts/fromMetadata/fromMetadata.spec.ts

@@ -16,6 +16,6 @@ const consts = fromMetadata(metadata);
 describe('fromMetadata', (): void => {
   it('should return constants with the correct type and value', (): void => {
     expect(consts.democracy.cooloffPeriod).toBeInstanceOf(ClassOf('BlockNumber'));
-    expect(consts.democracy.cooloffPeriod.eq(432000)).toBeTruthy();
+    expect(consts.democracy.cooloffPeriod.toHex()).toEqual('0x0000000000062700');
   });
 });