2.15.0-alpha4

What's Changed

Re-releasing same as 2.15.0-alpha3, but hopefully will deploy Tekla this time.

• fix(Navisworks): Handle Incomplete Viewpoint Definitions by @jsdbroughton in #2706
• fix(rhino): places objects from layers with invalid chars on correct layers by @clairekuang in #2709
• Feat(Revit) : design option support by @connorivy in #2705
• feat(revit): set phases on rooms when sending to speckle by @teocomi in #2708
• Fix(Tekla) : installer location fix by @connorivy in #2711

Full Changelog: 2.15.0-alpha2...2.15.0-alpha4