Fix Tray: prevent icon duplication

[SimoneFelici]

Hi,
this PR fixes my issue: #593
feel free to ask some question about the issue,
I've tested this fix with various tray icons on my system and everything works.

[romanstingler]

thanks for the contribution
please fix the formatting
just run make check which runs

❯ make check
cargo fmt
cargo check
   Compiling ashell v0.8.0 (/srv/opensource/ashell)
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s
cargo clippy -- -D warnings
    Checking ashell v0.8.0 (/srv/opensource/ashell)
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.35s

@clotodex are you using tray apps lately ??

[SimoneFelici]

thanks for the contribution please fix the formatting just run make check which runs

Ops, sorry.
I've run make check.

[MalpenZibo]

Can you try this other solution? I suspect that we're moving the bug instead of resolving it.

[MalpenZibo]

Let's add this check

Suggested change

	) {
	if self.items.iter().any(|(s, _)| s == &sender) {
	return;
	}
	let service = if service.starts_with('/') {
	format!("{sender}{service}")
	} else {
	service.to_string()
	};

[MalpenZibo]

Let's remove this check

Suggested change

[MalpenZibo]

Instead of this change, can you try modifying the check in the register_status_notifier_item_manual?

[SimoneFelici]

Can you try this other solution? I suspect that we're moving the bug instead of resolving it.

Thank you, this also work,
Should I commit this newer version?