Target WasmJS

[matt-ramotar]

Closes #644

Test Plan

All existing unit tests are passing

Additional Notes:

https://youtrack.jetbrains.com/issue/KT-69534/WasmJs-compilation-fails-with-anonymous-objects-and-exception-throwing-in-when-expressions. Changes to compile:

• Replaced anonymous object with private class DefaultConverter (see RealStoreBuilder.kt)
• Refactored StoreReadResponse.Error.doThrow() to return Throwable (see StoreReadResponse.kt)

Updated:

• https://github.com/Kotlin/kotlinx.serialization
• https://github.com/cashapp/turbine
• https://github.com/touchlab/Kermit
• https://github.com/Kotlin/kotlinx-datetime