Default interface implementation unsupported

[AndroidMaster24]

dnSpyEx version

6.5.1

Describe the Bug

dnSpy is unable to compile any methods in Character because the target runtime doesn't support default interface implementation

How To Reproduce

1. Download sample.zip
2. Open in dnSpy
3. Open class Character
4. Edit any method by right clicking and choose "Edit method (C#)"
5. Click "Compile" without making any changes

Expected Behavior

Be able to compile, with or without any changes

Actual Behavior

After clicking "Compile", I got the following errors

Severity	Code	Description	File	Line
Error	CS8702	'IAbilityOwner.ApplyVariableOverride(IAbility, Variable)' cannot implement interface member 'IAbilityOwner.ApplyVariableOverride(IAbility, Variable)' in type 'Character' because the target runtime doesn't support default interface implementation.	main.cs	7

Severity	Code	Description	File	Line
Error	CS8702	'ITransform.Forward.get' cannot implement interface member 'ITransform.Forward.get' in type 'Character' because the target runtime doesn't support default interface implementation.	main.cs	7

Additional Context

No response