[mono] Add conditional substitution for IsDynamicCodeSupported when targeting ios-like platforms (#86971)

Author: ivanpovazan

src/mono/System.Private.CoreLib/src/ILLink/ILLink.Substitutions.iOS.xml

@@ -3,5 +3,8 @@
     <type fullname="System.Runtime.CompilerServices.RuntimeFeature">
       <method signature="System.Boolean get_IsDynamicCodeCompiled()" body="stub" value="false" />
     </type>
+    <type fullname="System.Runtime.CompilerServices.RuntimeFeature" feature="System.Runtime.CompilerServices.RuntimeFeature.IsDynamicCodeSupported" featurevalue="false">
+        <method signature="System.Boolean get_IsDynamicCodeSupported()" body="stub" value="false" />
+    </type>
   </assembly>
 </linker>

src/tests/FunctionalTests/Directory.Build.props

@@ -40,6 +40,7 @@
     <InvariantGlobalization Condition="'$(TargetOS)' == 'maccatalyst' and '$(InvariantGlobalization)' == ''">true</InvariantGlobalization>
     <StartupHookSupport Condition="'$(StartupHookSupport)' == ''">false</StartupHookSupport>
     <UseNativeHttpHandler Condition="'$(UseNativeHttpHandler)' == ''">false</UseNativeHttpHandler>
+    <DynamicCodeSupport Condition="'$(DynamicCodeSupport)' == '' and '$(MonoForceInterpreter)' != 'true'">false</DynamicCodeSupport>
   </PropertyGroup>
 
   <Import Project="..\..\libraries\Directory.Build.props" />