Catch errors (#469)

* Catch error comparing dropdown items

* Update version number and release notes

* Data conversion

* Catch error when loading image from network

* Suppress error reporting for statusCode -1

lib/api.dart

@@ -1452,11 +1452,16 @@ class InvenTreeAPI {
       }
     }
 
-    return getImage(
-        imageUrl,
-        width: size,
-        height: size
-    );
+    try {
+      return getImage(
+          imageUrl,
+          width: size,
+          height: size
+      );
+    } catch (error, stackTrace) {
+      sentryReportError("_getThumbnail", error, stackTrace);
+      return null;
+    }
   }
 
   /*

lib/api_form.dart

@@ -582,7 +582,16 @@ class APIFormField {
           return false;
         }
 
-        return item["pk"].toString() == selectedItem["pk"].toString();
+        bool result = false;
+
+        try {
+          result = item["pk"].toString() == selectedItem["pk"].toString();
+        } catch (error) {
+          // Catch any conversion errors
+          result = false;
+        }
+
+        return result;
       });
   }
 
@@ -606,7 +615,11 @@ class APIFormField {
     Map<String, dynamic> data = {};
 
     try {
-      data = Map<String, dynamic>.from((item ?? {}) as Map);
+      if (item is Map<String, dynamic>) {
+        data = Map<String, dynamic>.from(item);
+      } else {
+        data = {};
+      }
     } catch (error, stackTrace) {
       data = {};
 

lib/inventree/model.dart

@@ -629,15 +629,17 @@ class InvenTreeModel {
 
     if (!response.isValid() || response.data == null || response.data is! Map) {
 
-      // Report error
-      reportModelError(
-          "InvenTreeModel.getModel() returned invalid response",
-          response,
-          context: {
-            "filters": filters.toString(),
-            "pk": pk,
-          }
-      );
+      if (response.statusCode != -1) {
+        // Report error
+        reportModelError(
+            "InvenTreeModel.getModel() returned invalid response",
+            response,
+            context: {
+              "filters": filters.toString(),
+              "pk": pk,
+            }
+        );
+      }
 
       showServerError(
         url,