fix: templated project name for Release-production flavour (#319)

Author: alestiago

brick/__brick__/{{project_name.snakeCase()}}/ios/Runner.xcodeproj/project.pbxproj

@@ -459,7 +459,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
 				ENABLE_BITCODE = NO;
-				FLAVOR_APP_NAME = testApp;
+				FLAVOR_APP_NAME = "{{project_name.titleCase()}}";
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",