refactor: use std OnceCell where applicable

Author: SeaDve

Diff for: Cargo.lock

@@ -12,7 +12,6 @@ lto = true
 anyhow = "1.0.59"
 tracing = "0.1.36"
 tracing-subscriber = "0.3.15"
-once_cell = "1.9.0"
 gettext-rs = { version = "0.7.0", features = ["gettext-system"] }
 gtk = { package = "gtk4", version = "0.7", features = ["gnome_44"] }
 gdk-wayland = { package = "gdk4-wayland", version = "0.7" }

Diff for: Cargo.toml

@@ -5,7 +5,6 @@ use gtk::{
     glib::{self, clone, WeakRef},
     prelude::*,
 };
-use once_cell::unsync::OnceCell;
 
 use crate::{
     about,
@@ -17,6 +16,8 @@ use crate::{
 };
 
 mod imp {
+    use std::cell::OnceCell;
+
     use super::*;
 
     #[derive(Debug, Default)]

Diff for: src/application.rs

@@ -10,7 +10,6 @@ use gtk::{
     glib::{self, clone},
     graphene::Rect,
 };
-use once_cell::unsync::OnceCell;
 
 use std::{cell::RefCell, os::unix::prelude::RawFd};
 
@@ -31,6 +30,8 @@ pub struct Data {
 }
 
 mod imp {
+    use std::cell::OnceCell;
+
     use super::*;
     use gst::bus::BusWatchGuard;
     use gtk::CompositeTemplate;

Diff for: src/area_selector/mod.rs

@@ -5,7 +5,6 @@ use gtk::{
     glib::{self, clone, closure},
     pango,
 };
-use once_cell::unsync::OnceCell;
 
 use crate::{
     profile::{self, BoxedProfile},
@@ -14,6 +13,8 @@ use crate::{
 };
 
 mod imp {
+    use std::cell::OnceCell;
+
     use super::*;
     use gtk::CompositeTemplate;
 

Diff for: src/preferences_window.rs

@@ -3,7 +3,6 @@ use gettextrs::gettext;
 use gst::prelude::*;
 use gst_pbutils::prelude::*;
 use gtk::glib::{self, subclass::prelude::*};
-use once_cell::unsync::OnceCell;
 
 use std::fmt;
 
@@ -33,6 +32,8 @@ pub fn get(id: &str) -> Option<Box<dyn Profile>> {
 }
 
 mod imp {
+    use std::cell::OnceCell;
+
     use super::*;
 
     #[derive(Debug, Default)]

Diff for: src/profile.rs

@@ -5,7 +5,6 @@ use gtk::{
     gio::{self, prelude::*},
     glib::{self, clone, closure_local, subclass::prelude::*},
 };
-use once_cell::{sync::Lazy, unsync::OnceCell};
 
 use std::{
     cell::{Cell, RefCell},
@@ -61,7 +60,10 @@ struct BoxedResult(Rc<Result<gio::File>>);
 
 mod imp {
     use super::*;
-    use glib::subclass::Signal;
+    use glib::{
+        once_cell::{sync::Lazy, unsync::OnceCell},
+        subclass::Signal,
+    };
     use gst::bus::BusWatchGuard;
 
     #[derive(Debug, Default, glib::Properties)]