resolve CI issues and handle async context safely

Author: DELTA-45-G

lib/home.dart

@@ -4,6 +4,7 @@ import 'package:tflite_v2/tflite_v2.dart';
 import 'package:image_picker/image_picker.dart';
 
 class Home extends StatefulWidget {
+  const Home({Key? key}) : super(key: key);
   @override
   _HomeState createState() => _HomeState();
 }
@@ -18,6 +19,7 @@ class _HomeState extends State<Home> {
   void initState() {
     super.initState();
     loadModel().then((value) {
+      if(!mounted) return;
       setState(() {
         isLoading = false;
       });
@@ -34,6 +36,7 @@ class _HomeState extends State<Home> {
       imageMean: 127.5,
       imageStd: 127.5,
     );
+    if(!mounted) return;
 
     setState(() {
       // LOGIC: If output is empty (meaning confidence was too low),
@@ -60,6 +63,7 @@ class _HomeState extends State<Home> {
   pickImage() async {
     var image = await picker.pickImage(source: ImageSource.camera);
     if (image == null) return;
+    if(!mounted) return;
     setState(() {
       _image = File(image.path);
       _output = null; // Clear previous result to show "Detecting..."
@@ -71,6 +75,7 @@ class _HomeState extends State<Home> {
   pickGalleryImage() async {
     var image = await picker.pickImage(source: ImageSource.gallery);
     if (image == null) return;
+    if(!mounted) return;
     setState(() {
       _image = File(image.path);
       _output = null; // Clear previous result to show "Detecting..."

pubspec.lock

@@ -21,10 +21,10 @@ packages:
     dependency: transitive
     description:
       name: characters
-      sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
+      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   clock:
     dependency: transitive
     description:
@@ -244,18 +244,18 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.17"
+    version: "0.12.19"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
       url: "https://pub.dev"
     source: hosted
-    version: "0.11.1"
+    version: "0.13.0"
   meta:
     dependency: transitive
     description:
@@ -337,10 +337,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
+      sha256: "8161c84903fd860b26bfdefb7963b3f0b68fee7adea0f59ef805ecca346f0c7a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.7"
+    version: "0.7.10"
   tflite_v2:
     dependency: "direct main"
     description: