fix(ios): Set screenshot options via properties instead of init(dictionary:)

The SentryViewScreenshotOptions.init(dictionary:) convenience
initializer is internal (not @objc exposed) and not accessible from
Objective-C. Set properties directly on the default instance instead.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: antonis

packages/core/ios/RNSentryStart.m

@@ -58,8 +58,40 @@ + (SentryOptions *_Nullable)createOptionsWithDictionary:(NSDictionary *_Nonnull)
 #if SENTRY_HAS_UIKIT
     NSDictionary *screenshotDict = mutableOptions[@"screenshot"];
     if ([screenshotDict isKindOfClass:[NSDictionary class]]) {
-        sentryOptions.screenshot =
-            [[SentryViewScreenshotOptions alloc] initWithDictionary:screenshotDict];
+        id maskAllText = screenshotDict[@"maskAllText"];
+        if ([maskAllText isKindOfClass:[NSNumber class]]) {
+            sentryOptions.screenshot.maskAllText = [maskAllText boolValue];
+        }
+        id maskAllImages = screenshotDict[@"maskAllImages"];
+        if ([maskAllImages isKindOfClass:[NSNumber class]]) {
+            sentryOptions.screenshot.maskAllImages = [maskAllImages boolValue];
+        }
+        id maskedViewClasses = screenshotDict[@"maskedViewClasses"];
+        if ([maskedViewClasses isKindOfClass:[NSArray class]]) {
+            NSMutableArray *classes = [NSMutableArray array];
+            for (id className in maskedViewClasses) {
+                if ([className isKindOfClass:[NSString class]]) {
+                    Class cls = NSClassFromString(className);
+                    if (cls != nil) {
+                        [classes addObject:cls];
+                    }
+                }
+            }
+            sentryOptions.screenshot.maskedViewClasses = classes;
+        }
+        id unmaskedViewClasses = screenshotDict[@"unmaskedViewClasses"];
+        if ([unmaskedViewClasses isKindOfClass:[NSArray class]]) {
+            NSMutableArray *classes = [NSMutableArray array];
+            for (id className in unmaskedViewClasses) {
+                if ([className isKindOfClass:[NSString class]]) {
+                    Class cls = NSClassFromString(className);
+                    if (cls != nil) {
+                        [classes addObject:cls];
+                    }
+                }
+            }
+            sentryOptions.screenshot.unmaskedViewClasses = classes;
+        }
     }
 #endif