function applySettings(oModifier, oIFrame, mSettings) {
		const mFullSettings = extend({ _settings: mSettings }, mSettings);
		return oModifier.applySettings(oIFrame, mFullSettings);
	}
Apply settings to the IFrame control.

@param {object} oModifier Modifier for the controls
@param {sap.ui.fl.util.IFrame} oIFrame IFrame to set settings to
@param {object} mSettings Settings
@returns {Promise} Promise resolving with applySettings
@ui5-restricted sap.ui.fl