Update Requirements (#541)

* Update package requiremenst

* github workflow updates

* ios build updates

* Theme adjustments

* Further updates

* Fix typo

* Deprecated imperative apply of Flutter's Gradle plugins

Ref: https://docs.flutter.dev/release/breaking-changes/flutter-gradle-plugin-apply

* Refactor wedge scanner

* Add context checks

* Adjust behaviour if testing

* Further refactoring

* Moar checks

* Logic fix

* Fix for wedge scanner test

* Fix for barcode processing

* Fix

* Yet another fix

lib/api.dart

@@ -1393,7 +1393,7 @@ class InvenTreeAPI {
   // Find the current locale code for the running app
   String get currentLocale {
 
-    if (OneContext.hasContext) {
+    if (hasContext()) {
       // Try to get app context
       BuildContext? context = OneContext().context;