Meteor/V3/Add Await To Async Webapp Methods

WebAppInternals.reloadClientPrograms();
WebAppInternals.pauseClient();
WebAppInternals.generateClientProgram();
WebAppInternals.generateBoilerplate();
WebAppInternals.setInlineScriptsAllowed();
WebAppInternals.enableSubresourceIntegrity();
WebAppInternals.setBundledJsCssUrlRewriteHook();
WebAppInternals.setBundledJsCssPrefix();
WebAppInternals.getBoilerplate;

await WebAppInternals.reloadClientPrograms();
await WebAppInternals.pauseClient();
await WebAppInternals.generateClientProgram();
await WebAppInternals.generateBoilerplate();
await WebAppInternals.setInlineScriptsAllowed();
await WebAppInternals.enableSubresourceIntegrity();
await WebAppInternals.setBundledJsCssUrlRewriteHook();
await WebAppInternals.setBundledJsCssPrefix();
await WebAppInternals.getBoilerplate;