Storybook: Add stories for BlockTitle Component (WordPress#67234)

* Doc: Add Storybook for BlockTitle

* Refactor: Simplify Storybook for BlockTitle and add type summaries to controls

* Refactor: Updated descriptions to match the JSDoc

* Refactor: Remove comment from BlockTitle story

* Storybook: Refactor BlockTitle story to use ExperimentalBlockEditorProvider

- Replaced BlockEditorProvider with ExperimentalBlockEditorProvider.
- Simplified blocks array to include a single paragraph block.
- Removed unnecessary client ID mappings and control options.
- Cleaned up redundant comments and controls.

* Storybook: Set clientId control to null for BlockTitle

Co-authored-by: SainathPoojary <[email protected]>
Co-authored-by: t-hamano <[email protected]>
Co-authored-by: swissspidy <[email protected]>

packages/block-editor/src/components/block-title/stories/index.story.js

@@ -0,0 +1,76 @@
+/**
+ * WordPress dependencies
+ */
+import { registerCoreBlocks } from '@wordpress/block-library';
+import { createBlock } from '@wordpress/blocks';
+
+/**
+ * Internal dependencies
+ */
+import { ExperimentalBlockEditorProvider } from '../../provider';
+import BlockTitle from '../';
+
+// Register core blocks for the story environment
+registerCoreBlocks();
+
+// Sample blocks for testing
+const blocks = [ createBlock( 'core/paragraph' ) ];
+
+const meta = {
+	title: 'BlockEditor/BlockTitle',
+	component: BlockTitle,
+	parameters: {
+		docs: {
+			canvas: { sourceState: 'shown' },
+			description: {
+				component:
+					"Renders the block's configured title as a string, or empty if the title cannot be determined.",
+			},
+		},
+	},
+	decorators: [
+		( Story ) => (
+			<ExperimentalBlockEditorProvider value={ blocks }>
+				<Story />
+			</ExperimentalBlockEditorProvider>
+		),
+	],
+	argTypes: {
+		clientId: {
+			control: { type: null },
+			description: 'Client ID of block.',
+			table: {
+				type: {
+					summary: 'string',
+				},
+			},
+		},
+		maximumLength: {
+			control: { type: 'number' },
+			description:
+				'The maximum length that the block title string may be before truncated.',
+			table: {
+				type: {
+					summary: 'number',
+				},
+			},
+		},
+		context: {
+			control: { type: 'text' },
+			description: 'The context to pass to `getBlockLabel`.',
+			table: {
+				type: {
+					summary: 'string',
+				},
+			},
+		},
+	},
+};
+
+export default meta;
+
+export const Default = {
+	args: {
+		clientId: blocks[ 0 ].clientId,
+	},
+};