[In App Messaging] Address Xcode 14.3 Analyzer issues (#11242)

* [In App Messaging] Address Xcode 14.3 Analyzer issues

* Review

Author: ncooke3

FirebaseInAppMessaging/Sources/Data/FIRIAMMessageContentDataWithImageURL.m

@@ -27,7 +27,7 @@
 static NSInteger const SuccessHTTPStatusCode = 200;
 
 @interface FIRIAMMessageContentDataWithImageURL ()
-@property(nonatomic, readwrite, nonnull, copy) NSString *titleText;
+@property(nonatomic, readwrite, nullable, copy) NSString *titleText;
 @property(nonatomic, readwrite, nonnull, copy) NSString *bodyText;
 @property(nonatomic, copy, nullable) NSString *actionButtonText;
 @property(nonatomic, copy, nullable) NSString *secondaryActionButtonText;
@@ -39,7 +39,7 @@ @interface FIRIAMMessageContentDataWithImageURL ()
 @end
 
 @implementation FIRIAMMessageContentDataWithImageURL
-- (instancetype)initWithMessageTitle:(NSString *)title
+- (instancetype)initWithMessageTitle:(nullable NSString *)title
                          messageBody:(NSString *)body
                     actionButtonText:(nullable NSString *)actionButtonText
            secondaryActionButtonText:(nullable NSString *)secondaryActionButtonText

FirebaseInAppMessaging/Sources/Data/FIRIAMMessageDefinition.m

@@ -22,7 +22,7 @@
 @implementation FIRIAMMessageRenderData
 
 - (instancetype)initWithMessageID:(NSString *)messageID
-                      messageName:(NSString *)messageName
+                      messageName:(nullable NSString *)messageName
                       contentData:(id<FIRIAMMessageContentData>)contentData
                   renderingEffect:(FIRIAMRenderingEffectSetting *)renderEffect {
   if (self = [super init]) {

FirebaseInAppMessaging/Sources/Private/Data/FIRIAMMessageContentDataWithImageURL.h

@@ -37,7 +37,7 @@ NS_ASSUME_NONNULL_BEGIN
  *                   internally to perform the network request. Having it here so that
  *                   it's easier for doing mocking with unit testing.
  */
-- (instancetype)initWithMessageTitle:(NSString *)title
+- (instancetype)initWithMessageTitle:(nullable NSString *)title
                          messageBody:(NSString *)body
                     actionButtonText:(nullable NSString *)actionButtonText
            secondaryActionButtonText:(nullable NSString *)secondaryActionButtonText

FirebaseInAppMessaging/Sources/Private/Data/FIRIAMMessageRenderData.h

@@ -25,11 +25,11 @@ NS_ASSUME_NONNULL_BEGIN
 @property(nonatomic, nonnull, readonly) id<FIRIAMMessageContentData> contentData;
 @property(nonatomic, nonnull, readonly) FIRIAMRenderingEffectSetting *renderingEffectSettings;
 @property(nonatomic, nonnull, copy, readonly) NSString *messageID;
-@property(nonatomic, nonnull, copy, readonly) NSString *name;
+@property(nonatomic, nullable, copy, readonly) NSString *name;
 
 - (instancetype)init NS_UNAVAILABLE;
 - (instancetype)initWithMessageID:(NSString *)messageID
-                      messageName:(NSString *)messageName
+                      messageName:(nullable NSString *)messageName
                       contentData:(id<FIRIAMMessageContentData>)contentData
                   renderingEffect:(FIRIAMRenderingEffectSetting *)renderEffect;
 @end