[docs] Improve Toolpad Core docs

docs/data/material/components/app-bar/app-bar.md

@@ -160,4 +160,4 @@ You can override this behavior by setting the `enableColorOnDark` prop to `true`
 
 The [DashboardLayout](https://mui.com/toolpad/core/react-dashboard-layout/) component from `@toolpad/core` is the starting point for dashboarding applications. It takes care of application layout, theming, navigation, and more. An example usage of this component:
 
-{{"demo": "DashboardLayoutBasic.js", "height": 400, "iframe": true, "defaultExpanded": false}}
+{{"demo": "DashboardLayoutBasic.js", "height": 400, "iframe": true, "bg": "inline", "defaultExpanded": false}}

docs/data/material/components/container/container.md

@@ -41,4 +41,4 @@ The max-width matches the min-width of the current breakpoint.
 
 The [PageContainer](https://mui.com/toolpad/core/react-page-container/) component in `@toolpad/core` is the ideal wrapper for the content of your dashboard. It makes the Material UI Container navigation-aware and extends it with page title, breadcrumbs, actions, and more.
 
-{{"demo": "../breadcrumbs/PageContainerBasic.js", "height": 400, "defaultExpanded": false}}
+{{"demo": "../breadcrumbs/PageContainerBasic.js", "height": 400, "bg": "inline", "defaultExpanded": false}}

docs/data/material/components/dialogs/dialogs.md

@@ -172,14 +172,14 @@ Follow the [Modal accessibility section](/material-ui/react-modal/#accessibility
 
 ### useDialogs
 
-You can create and manipulate dialogs imperatively with the [`useDialogs()`](https://mui.com/toolpad/core/react-use-dialogs/) API in `@toolpad/core`. This API provides the following features:
+You can create and manipulate dialogs imperatively with the useDialogs() API in @toolpad/core. This hook handles
 
 - state management for opening and closing dialogs
-- reading data from and passing data to dialogs
+- passing data to dialogs and receiving results back from them
 - stacking multiple dialogs
-- themed alternatives for `window.alert()`, `window.confirm`() and `window.prompt()`
+- themed, asynchronous versions of `window.alert()`, `window.confirm()` and `window.prompt()`
 
-The following example demonstrates these features:
+The following example demonstrates some of these features:
 
 {{"demo": "ToolpadDialogsNoSnap.js", "defaultCodeOpen": false}}
 

docs/data/material/getting-started/templates/templates.md

@@ -42,4 +42,4 @@ Looking for something more? You can find complete templates and themes in the <a
 
 [Toolpad Core](https://mui.com/toolpad/core/introduction/) is a set of components designed to build dashboards and internal tools. It leverages the existing suite of components offered by Material UI and ties them together to help you create applications quickly.
 
-{{"demo": "../../components/app-bar/DashboardLayoutBasic.js", "height": 400, "iframe": true, "hideToolbar": true}}
+{{"demo": "../../components/app-bar/DashboardLayoutBasic.js", "height": 400, "iframe": true, "defaultExpanded": false, "bg": "inline"}}