Use @change rather than @value-change to keep text focus.

src/components/live.ts

@@ -1,4 +1,3 @@
-// TODO editor: fill in a new camera and keep focus
 // TODO editor: fill in a new camera then backspace it away
 // TODO editor: render correctly when name title is really long
 // TODO editor: should not be able to move up a new camera before it's not new.

src/editor.ts

@@ -418,7 +418,7 @@ export class FrigateCardEditor extends LitElement implements LovelaceCardEditor
       .configValue=${configPath}
       allowed-pattern=${ifDefined(allowedPattern ? allowedPattern : undefined)}
       prevent-invalid-input=${ifDefined(allowedPattern)}
-      @value-changed=${this._valueChangedHandler}
+      @change=${this._valueChangedHandler}
     ></paper-input>`;
   }