Revise C++ coding style using clang-format-15

Run the `clang-format.bash` script to update all our C and C++ code to a
new style defined by `.clang-format`.  Use `clang-format` version 15.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

Fixes: #24315

Tests/CMakeGUI/CatchShow.h

@@ -30,12 +30,13 @@ void CatchShow::setCallback(F&& func)
   this->m_callback = [this, func](QObject* obj) {
     auto* d = qobject_cast<T*>(obj);
     if (d) {
-      QMetaObject::invokeMethod(obj,
-                                [this, func, d]() {
-                                  ++this->m_count;
-                                  func(d);
-                                },
-                                Qt::QueuedConnection);
+      QMetaObject::invokeMethod(
+        obj,
+        [this, func, d]() {
+          ++this->m_count;
+          func(d);
+        },
+        Qt::QueuedConnection);
     }
   };
 }