Preserve old icon in iOS versions older than 26

Author: mvasilak

Zotero.xcodeproj/project.pbxproj

@@ -6245,6 +6245,7 @@
 			baseConfigurationReference = 615645502DE0825900B8AA6D /* FeatureGates.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_OTHER_FLAGS = "--enable-icon-stack-fallback-generation=disabled";
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
@@ -6311,6 +6312,7 @@
 			baseConfigurationReference = 615645502DE0825900B8AA6D /* FeatureGates.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_OTHER_FLAGS = "--enable-icon-stack-fallback-generation=disabled";
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
@@ -6630,6 +6632,7 @@
 			baseConfigurationReference = 615645502DE0825900B8AA6D /* FeatureGates.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_OTHER_FLAGS = "--enable-icon-stack-fallback-generation=disabled";
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";