fix copypasta

src/Web/Avalonia.Web/webapp/modules/avalonia/dom.ts

@@ -24,7 +24,7 @@ export class AvaloniaDOM {
 
         // Native controls host
         const nativeHost = document.createElement("div");
-        canvas.id = `nativeHost${randomIdPart}`;
+        nativeHost.id = `nativeHost${randomIdPart}`;
         nativeHost.classList.add("avalonia-native-host");
         nativeHost.style.left = "0px";
         nativeHost.style.top = "0px";
@@ -34,7 +34,7 @@ export class AvaloniaDOM {
 
         // IME
         const inputElement = document.createElement("input");
-        canvas.id = `input${randomIdPart}`;
+        inputElement.id = `inputElement${randomIdPart}`;
         inputElement.classList.add("avalonia-input-element");
         inputElement.autocapitalize = "none";
         inputElement.type = "text";