#6945 Adaptive Container incorrectly calculates width for hidden acti…

…ons (#6946)

* Fixes #6945

* #6945 - fix test

* 36945 - fixed test

* #6945 Adaptive Container incorrectly calculates width for hidden actions - revert example html
Fixes #6945

src/common-styles/sv-actionbar.scss

@@ -187,6 +187,9 @@ button.sv-action-bar-item {
   height: 0px;
   overflow: hidden;
   visibility: hidden;
+  .sv-action__content {
+    min-width: fit-content;
+  }
 }
 
 .sv-action__content {

testCafe/survey/titleActions.js

@@ -1,4 +1,4 @@
-import { frameworks, url, initSurvey } from "../helper";
+import { frameworks, url, initSurvey, url_test, applyTheme } from "../helper";
 import { Selector, ClientFunction, fixture, test } from "testcafe";
 const title = "titleActions";
 
@@ -311,3 +311,33 @@ frameworks.forEach((framework) => {
       .expect(dotsItem.visible).notOk();
   });
 });
+
+const themeName = "defaultV2";
+
+frameworks.forEach((framework) => {
+  fixture`${framework} ${title}`
+    .page`${url_test}${themeName}/${framework}`.beforeEach(async (t) => {
+    await applyTheme(themeName);
+  });
+  test("check hidden action content has non-zero width", async (t) => {
+    await initSurvey(framework, json, {
+      onGetQuestionTitleActions: (_, opt) => {
+        opt.titleActions = [
+          {
+            title: "Action",
+            visible: false,
+            action: () => {
+              opt.question.state = "expanded";
+            },
+          },
+        ];
+      },
+    });
+    const hiddenAction = Selector("h5 .sv-action.sv-action--hidden");
+    await t
+      .expect(hiddenAction.find(".sv-action__content").offsetWidth).gt(0)
+      .expect(ClientFunction(() => {
+        return window["survey"].getAllQuestions()[0].getTitleToolbar().actions[0].maxDimension;
+      })()).gt(0);
+  });
+});