Fix Compose verse number weight and BSB paragraph indentation

[yukuku]

Changes

• Render Compose gutter verse numbers with normal weight.
• Recognize paragraph indent markers after leading zero-width red/italic formatting markers, so BSB Matthew 15:28 puts its number in the gutter.
• Share the placement rule with the legacy renderer and add regression tests for both paths.

Verification

• git diff --check passed.
• Gradle unit tests could not start in this workspace because services.gradle.org is unreachable while the wrapper tries to download Gradle 9.5.1.

[github-actions]

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