[Dialog] Log error instead of throwing for missing titles

[vladmoroz]

• Dialog primitive was supposed to throw errors when there was a missing title because that’s an A11Y violation; also it was supposed to show a console warning for missing descriptions
• However, that didn’t actually work in practice—I confirmed that in CodeSandbox for different primitive versions (tested 0.1.7, 1.0.0, and a bunch of versions leading up to 1.1.0-rc.3) and different React versions
• The above code started working after the changes to the build process
• The build changes “fixed” errors not being thrown, but that now breaks your app when upgrading if you missed the title
• For forward compatibility, I'm changing the thrown errors to console.error to avoid new runtime failures after upgrades