Unnecessary \n at the end of the text session file.

[DmitryAstafyev]

With any binary format chipmunk creates a text representation of the session file (stored in ~/.chipmunk/tmp. The thing is, chipmunks add to the end of the file unnecessary \n. It happens because:

// application/apps/indexer/session/src/handlers/observing/mod.rs
MessageStreamItem::Item(ParseYield::Message(item)) => {
    state.write_session_file(source_id, format!("{item}\n")).await?;
}

Right now no any bugs related to this have been detected. But in general, it's wrong and we should not have an extra \n at the end of the file to prevent incorrect calculation of row numbers by grabber.

To check:

• open any binary file
• visit ~/.chipmunk/tmp
• check a text session file