The "Description" table header is missing in index.md when using dokkaGfmMultiModule or dokkaJekyllMultiModule

[Zumisha]

Describe the bug
Incorrect generation index.md - the "Description" table header is missing

Expected behaviour
The title "Description" is generated

Screenshots

To Reproduce
run dokkaGfmMultiModule or dokkaJekyllMultiModule task

Dokka configuration

// subpoject build.gradle.kts

tasks.withType<DokkaTaskPartial>().configureEach {
    dokkaSourceSets.configureEach {
        includes.from(file("package-info.md"))
    }
}

// subpoject package-info.md

# sample

# Package com.sample.models
Sample Data Models

Installation

• Operating system: macOS
• Build tool: Gradle v7.6.3
• Dokka version: 1.9.20

[Zumisha]

Related feature #3544