Merge pull request #3802 from abpframework/chore/export-handlers

ErrorHandler exported from @abp/ng.theme.shared

npm/ng-packs/packages/theme-shared/src/public-api.ts

@@ -6,6 +6,7 @@ export * from './lib/theme-shared.module';
 export * from './lib/animations';
 export * from './lib/components';
 export * from './lib/directives';
+export * from './lib/handlers';
 export * from './lib/models';
 export * from './lib/services';
 export * from './lib/tokens';