Ignore mwext-Agora-jslint

Bug: 66190
Change-Id: I6002cba68d9d96854b2f1446acd2560d4ef62453
Ignore  mwext-FundraisingChart-jslint

Bug: 66192
Change-Id: Id84889fb84eee9ec52434073c061207a51c0504a