Fix for breaking change in flutter_file_picker

Author: TechnicJelle

lib/main_menu/projects/new_project_dialog.dart

@@ -160,8 +160,9 @@ class NewProjectDialogState extends ConsumerState<NewProjectDialog> {
                     padding: const EdgeInsets.only(top: 24, left: 8),
                     child: ElevatedButton.icon(
                       onPressed: () async {
-                        final String? picked = await FilePicker.platform
-                            .getDirectoryPath(dialogTitle: "Pick project location");
+                        final String? picked = await FilePicker.getDirectoryPath(
+                          dialogTitle: "Pick project location",
+                        );
                         if (picked == null) return;
 
                         setState(() {

lib/main_menu/settings/java/java_picker.dart

@@ -371,7 +371,7 @@ class _JavaPickerState extends ConsumerState<JavaPicker> {
   }
 
   Future<void> onCustom() async {
-    final FilePickerResult? browsed = await FilePicker.platform.pickFiles(
+    final FilePickerResult? browsed = await FilePicker.pickFiles(
       dialogTitle: "Select Java executable",
       // Specifically mention this, because we can't use FileType.custom, which would be expected here.
       // This is because it doesn't support files with no extension, which is the case for executables on linux.

lib/project_view/configs/views/base.dart

@@ -114,7 +114,7 @@ class PathPickerButton extends StatelessWidget {
             // - Linux will crash on this, if the path contains any special characters
             //   (I have submitted a PR to the file_picker library that will fix this: https://github.com/miguelpruivo/flutter_file_picker/pull/1963 )
             // - Windows will crash on this, if the directory does not exist
-            picked = await FilePicker.platform.getDirectoryPath(
+            picked = await FilePicker.getDirectoryPath(
               dialogTitle: dialogTitle,
               initialDirectory: initialDirectory,
             );
@@ -124,7 +124,7 @@ class PathPickerButton extends StatelessWidget {
             // ignore: avoid_catches_without_on_clauses
           } catch (_) {
             // So if it crashed, we try again, but without an initialDirectory:
-            picked = await FilePicker.platform.getDirectoryPath(
+            picked = await FilePicker.getDirectoryPath(
               dialogTitle: dialogTitle,
             );
           }