Unable to decode saved libp2p keypair, PeerId constantly changing

[LesnyRumcajs]

Describe the bug

Unable to decode saved libp2p keypair

To Reproduce Steps to reproduce the behavior:

1. Run Forest. The keypair will be saved to $HOME/.local/share/forest/libp2p/keypair.
2. Run Forest. The keypair will be overwritten by a new one.
   Log output

❯ forest --chain calibnet --encrypt-keystore false --save-token token.jwt
2023-07-20T11:52:25.648668Z  INFO forest_filecoin::daemon::main: Using default calibnet config
2023-07-20T11:52:25.649774Z  INFO forest_filecoin::daemon: Starting Forest daemon, version 0.11.1+git.2825539e4
2023-07-20T11:52:25.649801Z  INFO forest_filecoin::libp2p::service: Could not decode networking keystore!
2023-07-20T11:52:25.649982Z  INFO forest_filecoin::daemon: PeerId: 12D3KooWQ7W8XQNAakP9uXqB4PTd7BGcP8EhDwnSYTVWVkCkYSiv
2023-07-20T11:52:25.649989Z  WARN forest_filecoin::daemon: Forest has encryption disabled

❯ forest --chain calibnet --encrypt-keystore false --save-token token.jwt
2023-07-20T11:52:34.903981Z  INFO forest_filecoin::daemon::main: Using default calibnet config
2023-07-20T11:52:34.905552Z  INFO forest_filecoin::daemon: Starting Forest daemon, version 0.11.1+git.2825539e4
2023-07-20T11:52:34.905572Z  INFO forest_filecoin::libp2p::service: Could not decode networking keystore!
2023-07-20T11:52:34.905633Z  INFO forest_filecoin::utils::io: Permissions set to 0600 on File { fd: 9, path: "/home/rumcajs/.local/share/forest/libp2p/keypair", read: false, write: true }
2023-07-20T11:52:34.905650Z  INFO forest_filecoin::daemon: PeerId: 12D3KooWJsFkxNScojVutnLfTTUzyp6BPjzsveYxUgWQ6LvKmYZs

Expected behaviour

Forest correctly decodes the saved keypair. The PeerId is stable.

Screenshots

Environment (please complete the following information):

• OS:
• Rust version(e.g. rustc --version)
• Branch/commit

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