fix: add code button decoration when throwing custom component in screen (#6823)

* made pasted component be selected

* Added bg when is custom component and component is not edited

* Added test to check if custom component button is pink

* Stop chatinput propagation

* fixed tests

---------

Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>

src/frontend/tests/core/features/saveComponents.spec.ts

@@ -52,10 +52,6 @@ test.describe("save component tests", () => {
         .locator('//*[@id="react-flow-id"]/div[1]/div[2]/button[3]')
         .click();
 
-      await page.getByTestId("title-ChatOpenAI").click({
-        modifiers: ["Control"],
-      });
-
       await page.getByTestId("title-Agent Initializer").click({
         modifiers: ["Control"],
       });