fix(screenshots): Don't capture zero size screenshots

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Fixes
+
+- Don't capture zero size screenshots ([#2459](https://github.com/getsentry/sentry-cocoa/pull/2459))
+
 ## 7.31.2
 
 ### Fixes

Sources/Sentry/SentryScreenshot.m

@@ -47,7 +47,9 @@ - (void)saveScreenShots:(NSString *)path
 
         if ([window drawViewHierarchyInRect:window.bounds afterScreenUpdates:false]) {
             UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
-            [result addObject:UIImagePNGRepresentation(img)];
+            if (img.size.width > 0 && img.size.height > 0) {
+                [result addObject:UIImagePNGRepresentation(img)];
+            }
         }
 
         UIGraphicsEndImageContext();