[sensorthings] Remove option for basic authentication

This is not supported by the provider, only authentication config
is supported

Fixes #59721

python/PyQt6/gui/auto_generated/auth/qgsauthsettingswidget.sip.in

@@ -39,6 +39,13 @@ from existing configs, or creating/removing them from auth database
 :param username:
 :param password:
 :param dataprovider: The key of the calling layer provider, if applicable
+%End
+
+    void removeBasicSettings();
+%Docstring
+Removes the basic authentication tab from the widget.
+
+.. versionadded:: 3.42
 %End
 
     void setWarningText( const QString &warningText );

python/gui/auto_generated/auth/qgsauthsettingswidget.sip.in

@@ -39,6 +39,13 @@ from existing configs, or creating/removing them from auth database
 :param username:
 :param password:
 :param dataprovider: The key of the calling layer provider, if applicable
+%End
+
+    void removeBasicSettings();
+%Docstring
+Removes the basic authentication tab from the widget.
+
+.. versionadded:: 3.42
 %End
 
     void setWarningText( const QString &warningText );

src/gui/auth/qgsauthsettingswidget.cpp

@@ -50,6 +50,12 @@ QgsAuthSettingsWidget::QgsAuthSettingsWidget( QWidget *parent, const QString &co
   updateConvertBtnState();
 }
 
+void QgsAuthSettingsWidget::removeBasicSettings()
+{
+  tabAuth->removeTab( tabAuth->indexOf( tabBasic ) );
+  tabAuth->setCurrentIndex( tabAuth->indexOf( tabConfigurations ) );
+}
+
 void QgsAuthSettingsWidget::setWarningText( const QString &warningText )
 {
   lblWarning->setText( warningText );

src/gui/auth/qgsauthsettingswidget.h

@@ -62,6 +62,13 @@ class GUI_EXPORT QgsAuthSettingsWidget : public QWidget, private Ui::QgsAuthSett
      */
     explicit QgsAuthSettingsWidget( QWidget *parent SIP_TRANSFERTHIS = nullptr, const QString &configId = QString(), const QString &username = QString(), const QString &password = QString(), const QString &dataprovider = QString() );
 
+    /**
+     * Removes the basic authentication tab from the widget.
+     *
+     * \since QGIS 3.42
+     */
+    void removeBasicSettings();
+
     /**
      * \brief setWarningText set the text of the warning label
      * \param warningText the text of the warning label

src/gui/providers/sensorthings/qgssensorthingsconnectionwidget.cpp

@@ -29,6 +29,9 @@ QgsSensorThingsConnectionWidget::QgsSensorThingsConnectionWidget( QWidget *paren
   connect( mEditUrl, &QLineEdit::textChanged, this, &QgsSensorThingsConnectionWidget::validate );
   connect( mEditUrl, &QLineEdit::textChanged, this, &QgsSensorThingsConnectionWidget::changed );
 
+  // only auth config supported, not basic auth
+  mAuthSettings->removeBasicSettings();
+
   connect( mAuthSettings, &QgsAuthSettingsWidget::configIdChanged, this, &QgsSensorThingsConnectionWidget::changed );
   connect( mAuthSettings, &QgsAuthSettingsWidget::usernameChanged, this, &QgsSensorThingsConnectionWidget::changed );
   connect( mAuthSettings, &QgsAuthSettingsWidget::passwordChanged, this, &QgsSensorThingsConnectionWidget::changed );