Properties that start with `_` should be suppressed by `PropertyName`

[Goooler]

Expected Behavior

No errors are thrown.

Observed Behavior

ktlint Foo.kt
/Users/goooler/StudioProjects/DemoApp/adapter/src/main/kotlin/io/goooler/demoapp/adapter/rv/core/Foo.kt:4:17: Backing property not allowed when 'private' modifier is missing (standard:backing-property-naming)
/Users/goooler/StudioProjects/DemoApp/adapter/src/main/kotlin/io/goooler/demoapp/adapter/rv/core/Foo.kt:4:17: Backing property is only allowed when a matching property or function exists (standard:backing-property-naming)

Summary error count (descending) by rule:
  standard:backing-property-naming: 2

Steps to Reproduce

Foo.kt:

open class Foo {

  @Suppress("PropertyName")
  protected val _bar = mutableListOf<String>()
}

Run ktlint Foo.kt.

Context

Related to:

• #2332
• #2612

Your Environment

• Version of ktlint used: CLI 1.3.0

[paul-dingemans]

@Suppress(PropertyName) currently only suppresses the property-naming rule (code).