Fixes: Introduce a cpp settingspage containing file naming conventions (lower case and suffixes). Reorder VCS settings pages.

Task: 241959, 248085

RevBy: Optics/Naming checked by con
Details: Give IOptionPage an id() to differentiate from trName(). Make showOptionsDialog return a bool (applied) and give it an optional parent. Change Cpp and form class wizards, give them a Configure... button to change those settings.

src/plugins/texteditor/displaysettingspage.cpp

@@ -67,7 +67,12 @@ DisplaySettingsPage::~DisplaySettingsPage()
     delete m_d;
 }
 
-QString DisplaySettingsPage::name() const
+QString DisplaySettingsPage::id() const
+{
+    return m_d->m_parameters.name;
+}
+
+QString DisplaySettingsPage::trName() const
 {
     return m_d->m_parameters.name;
 }