Add CmixGetId functor

Sources/ElixxirDAppsSDK/Cmix.swift

 import Bindings
 
 public struct Cmix {
+  public var getId: CmixGetId
   public var makeReceptionIdentity: MakeReceptionIdentity
 }
 
 extension Cmix {
   public static func live(_ bindingsCmix: BindingsCmix) -> Cmix {
     Cmix(
+      getId: .live(bindingsCmix),
       makeReceptionIdentity: .live(bindingsCmix)
     )
   }
@@ -14,6 +16,7 @@ extension Cmix {
 
 extension Cmix {
   public static let unimplemented = Cmix(
+    getId: .unimplemented,
     makeReceptionIdentity: .unimplemented
   )
 }

Sources/ElixxirDAppsSDK/CmixGetId.swift

+import Bindings
+import XCTestDynamicOverlay
+
+public struct CmixGetId {
+  public var run: () -> Int
+
+  public func callAsFunction() -> Int {
+    run()
+  }
+}
+
+extension CmixGetId {
+  public static func live(_ bindingsCmix: BindingsCmix) -> CmixGetId {
+    CmixGetId(run: bindingsCmix.getID)
+  }
+}
+
+extension CmixGetId {
+  public static let unimplemented = CmixGetId(
+    run: XCTUnimplemented("\(Self.self)")
+  )
+}