Apply PSR-3 replacements in Telescope logs

[DragosMocrii]

Why make this change?

When a log channel is configured with 'replace_placeholders' => true or 'processors' => [PsrLogMessageProcessor::class], a statement like Log::info('User {user_id} logged in', ['user_id' => 1]); is expected to produce the message User 1 logged in in Telescope. However, currently, the raw message User {user_id} logged in is displayed instead. This makes logs harder to read in Telescope, as one must open each individual log entry to view the context.

Telescope listens for the MessageLogged event, which is dispatched in \Illuminate\Log\Logger::writeLog. However, this event uses the original, unformatted message. It isn’t straightforward to access the formatted message, since formatting occurs deep within the Monolog logger and its result isn’t returned.

This change aims to improve log readability in Telescope when messages use placeholder replacements (as defined in PSR-3 §1.2 Message). The original message will still be preserved in the context for reference, in case it’s needed for codebase lookups.

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