Sync bars are shown even when there's nothing to do

[rydrman]

The synced_env function will be called even if nothing was done for the env and so shouldn't create the bars unless they already exist because of some other progress.

spk/crates/spfs/src/sync/reporter.rs

Lines 345 to 346 in 34f9a80

	fn synced_env(&self, _result: &SyncEnvResult) {
	let bars = self.get_bars();