Support component stacks without debug source in LogBox
Summary
Fixes component stacks without source info, and duplication in the error message string.
Before
No component stacks, and error message duplication:
After
Back to normal, albeit without the component source location:
Misc
Changelog: [General][Fixed] - Support component stacks without source info.
Reviewed By: yungsters
Differential Revision: D53981672
This pull request was exported from Phabricator. Differential Revision: D53981672
This pull request was exported from Phabricator. Differential Revision: D53981672
This pull request has been merged in facebook/react-native@1b53051b8c0661095dbcb7546432eeda3a129fd4.