If this story exists in a religious context, it could signify Jesus's power over death. Just as he overcame death himself, he might have the ability to deal with the death of a child, which could represent the ultimate power of God.
In religious teachings, such a story could have multiple layers of significance. Firstly, it could demonstrate Jesus's divinity, as only a divine being could have some kind of power or influence over death. Secondly, it could be a teaching about the afterlife. If Jesus was involved with a dead child, it might give believers an idea about what happens to the innocent in death. Thirdly, it could be a story to encourage believers to trust in Jesus in difficult times, especially when dealing with the loss of a loved one. It could be seen as Jesus being there for the child and by extension, for all who believe in him during times of grief.
The significance might be related to the concept of compassion. Jesus was known for his love and care for the weak and vulnerable, especially children. In this story, if it shows Jesus dealing with a dead child friend, it could be highlighting how God's love extends even to the most tragic situations. It can also be a reminder that in the face of death, there is hope in the Christian faith through Jesus.