chore(release): publish [skip ci]

- @ohif/extension-cornerstone@0.50.2
 - @ohif/extension-dicom-html@0.50.2
 - @ohif/extension-dicom-microscopy@0.50.3
 - @ohif/extension-dicom-pdf@0.50.2
 - @ohif/extension-vtk@0.50.5
 - @ohif/core@0.50.4
 - @ohif/i18n@0.50.2
 - @ohif/ui@0.50.2
 - @ohif/viewer@0.50.15

platform/core/CHANGELOG.md

@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [0.50.4](https://github.com/OHIF/Viewers/compare/@ohif/core@0.50.3...@ohif/core@0.50.4) (2019-09-04)
+
+
+### Bug Fixes
+
+* measurementsAPI issue caused by production build ([#842](https://github.com/OHIF/Viewers/issues/842)) ([49d3439](https://github.com/OHIF/Viewers/commit/49d3439))
+
+
+
+
+
 ## [0.50.3](https://github.com/OHIF/Viewers/compare/@ohif/core@0.50.2...@ohif/core@0.50.3) (2019-08-26)