Merge branch 'stable' into dev

fix: typo in month abbreviation (macosui#370)

Co-authored-by: GroovinChip <[email protected]>

Merge branch 'stable' into dev

feat: Sliver toolbar (macosui#368)

* feat: `SliverToolBar`

* chore(example): address lints

* docs(SliverToolbar): update `floating` doc

* feat(example): add page for SliverToolbar

* chore: dart format

* docs(SliverToolBar): slight change to `pinned` docs

* docs(SliverToolBar): add section to readme

* docs(SliverToolBar): tweak sample

* test(SliverAppBar): add initial tests

* chore: update version & changelog

* chore: pub upgrade

* chore: remove unused imports

* test: remove ignore lint

Merge branch 'stable' into dev

# Conflicts:
#	CHANGELOG.md
#	example/lib/pages/buttons_page.dart
#	example/pubspec.lock
#	lib/src/layout/resizable_pane.dart
#	pubspec.yaml
#	test/layout/resizeable_pane_test.dart

Merge branch 'stable' into dev

# Conflicts:
#	CHANGELOG.md
#	example/lib/main.dart
#	example/lib/pages/buttons_page.dart
#	example/lib/pages/colors_page.dart
#	example/lib/pages/dialogs_page.dart
#	example/lib/pages/fields_page.dart
#	example/lib/pages/indicators_page.dart
#	example/lib/pages/toolbar_page.dart
#	example/pubspec.lock
#	lib/macos_ui.dart
#	lib/src/fields/text_field.dart
#	lib/src/indicators/scrollbar.dart
#	lib/src/layout/content_area.dart
#	lib/src/layout/window.dart
#	lib/src/selectors/date_picker.dart
#	pubspec.lock
#	pubspec.yaml
#	test/buttons/help_button_test.dart
#	test/buttons/icon_button_test.dart
#	test/buttons/pulldown_button_test.dart
#	test/buttons/push_button_test.dart
#	test/buttons/radio_button_test.dart
#	test/buttons/segmented_control_test.dart
#	test/layout/macos_list_tile_test.dart
#	test/layout/resizeable_pane_test.dart
#	test/selectors/date_picker_test.dart

Adds `intialDate` to `MacosDatePicker` (macosui#329)

* Adds `intialDate` to `MacosDatePicker`

* Bumps `macos_ui` version to `1.7.7`

* Apply suggestions from code review

* spelling correction

---------

Co-authored-by: Reuben Turner <[email protected]>

Macos slider (macosui#337)

* chore: run flutter format .

* chore: fix analysis

* chore: Bump version and update CHANGELOG.md

* chore: Update images to self taken ones as MacOS images are outdated

* fix: fix position offset by a small value

* fix: PR review feedback

* Update lib/src/indicators/slider.dart

---------

Co-authored-by: Reuben Turner <[email protected]>

fix(tests): account for Jan -> Dec & Dec -> Jan

date_picker_test.dart was failing due to not accounting for going from January to December and vice-versa.

chore: fix Flutter 3.3 warnings