Replace IconButton component with Button

[Aljullu]

Fixes #3511.
Fixes #3546.

How to test the changes in this Pull Request:

Fix for #3511

1. Add the Featured Product to a post or page.
2. Choose a product and select the block.
3. Verify the Edit media button looks good and ensure there isn't any JS message in the console with a deprecation message for the IconButton component.
   
4. Repeat steps 1-3 with Featured Category block.
5. Add the All Products block to a page.
6. Click the edit button (pencil icon) and verify the Reset Layout button looks good and there aren't JS errors in the console.
   

Fix for #3546

1. Add the All Products block to a page (or use the one you just added in the steps above).
2. Click the edit button (pencil icon) and verify the layout looks like in the screenshot on the right.

Before	After

Changelog

Fix All Products block edit screen.

[github-actions]

Size Change: +583 B (0%)

Total Size: 1.17 MB

Filename	Size	Change
build/all-products.js	36.2 kB	-3 B (0%)
build/editor-rtl.css	14.9 kB	+295 B (1%)
build/editor.css	14.9 kB	+297 B (1%)
build/featured-category.js	7.74 kB	-4 B (0%)
build/featured-product.js	9.97 kB	-2 B (0%)

ℹ️ View Unchanged

Filename	Size	Change
build/active-filters-frontend.js	8.9 kB	0 B
build/active-filters.js	8.92 kB	0 B
build/all-products-frontend.js	34.8 kB	0 B
build/all-reviews.js	9.74 kB	0 B
build/atomic-block-components/add-to-cart--atomic-block-components/button.js	3.29 kB	0 B
build/atomic-block-components/add-to-cart--atomic-block-components/image--atomic-block-components/title.js	335 B	0 B
build/atomic-block-components/add-to-cart-frontend.js	9.02 kB	0 B
build/atomic-block-components/add-to-cart.js	7.53 kB	0 B
build/atomic-block-components/button-frontend.js	2.31 kB	0 B
build/atomic-block-components/button.js	839 B	0 B
build/atomic-block-components/category-list-frontend.js	470 B	0 B
build/atomic-block-components/category-list.js	476 B	0 B
build/atomic-block-components/image-frontend.js	1.68 kB	0 B
build/atomic-block-components/image.js	1.13 kB	0 B
build/atomic-block-components/price-frontend.js	2.29 kB	0 B
build/atomic-block-components/price.js	2.31 kB	0 B
build/atomic-block-components/rating-frontend.js	524 B	0 B
build/atomic-block-components/rating.js	530 B	0 B
build/atomic-block-components/sale-badge-frontend.js	858 B	0 B
build/atomic-block-components/sale-badge.js	862 B	0 B
build/atomic-block-components/sku-frontend.js	389 B	0 B
build/atomic-block-components/sku.js	394 B	0 B
build/atomic-block-components/stock-indicator-frontend.js	569 B	0 B
build/atomic-block-components/stock-indicator.js	573 B	0 B
build/atomic-block-components/summary-frontend.js	916 B	0 B
build/atomic-block-components/summary.js	926 B	0 B
build/atomic-block-components/tag-list-frontend.js	466 B	0 B
build/atomic-block-components/tag-list.js	470 B	0 B
build/atomic-block-components/title-frontend.js	1.21 kB	0 B
build/atomic-block-components/title.js	1.05 kB	0 B
build/attribute-filter-frontend.js	18.3 kB	0 B
build/attribute-filter.js	12.5 kB	0 B
build/blocks.js	3.47 kB	0 B
build/cart-frontend.js	77.2 kB	0 B
build/cart.js	40.6 kB	0 B
build/checkout-frontend.js	92.4 kB	0 B
build/checkout.js	43 kB	0 B
build/handpicked-products.js	7.37 kB	0 B
build/price-filter-frontend.js	14.9 kB	0 B
build/price-filter.js	10.3 kB	0 B
build/product-best-sellers.js	7.44 kB	0 B
build/product-categories.js	3.22 kB	0 B
build/product-category.js	8.39 kB	0 B
build/product-new.js	7.61 kB	0 B
build/product-on-sale.js	8 kB	0 B
build/product-search.js	3.54 kB	0 B
build/product-tag.js	6.56 kB	0 B
build/product-top-rated.js	7.58 kB	0 B
build/products-by-attribute.js	8.36 kB	0 B
build/reviews-by-category.js	11.8 kB	0 B
build/reviews-by-product.js	13.3 kB	0 B
build/reviews-frontend.js	9.38 kB	0 B
build/single-product-frontend.js	37.9 kB	0 B
build/single-product.js	10.1 kB	0 B
build/style-rtl.css	18.4 kB	0 B
build/style.css	18.4 kB	0 B
build/vendors--atomic-block-components/price-frontend.js	5.65 kB	0 B
build/vendors-style-rtl.css	1.05 kB	0 B
build/vendors-style.css	1.05 kB	0 B
build/vendors.js	439 kB	0 B
build/wc-blocks-data.js	6.89 kB	0 B
build/wc-blocks-middleware.js	931 B	0 B
build/wc-blocks-registry.js	2.39 kB	0 B
build/wc-payment-method-bacs.js	775 B	0 B
build/wc-payment-method-cheque.js	771 B	0 B
build/wc-payment-method-cod.js	866 B	0 B
build/wc-payment-method-paypal.js	813 B	0 B
build/wc-payment-method-stripe.js	12.1 kB	0 B
build/wc-settings.js	2.59 kB	0 B
build/wc-shared-context.js	1.53 kB	0 B
build/wc-shared-hocs.js	1.66 kB	0 B

_{compressed-size-action}

[haszari]

Just checking - are we good for backward compat with this change? I'm assuming IconButton is available in all our supported WP versions.

🎉 Aha I see from the linked issue that we are all good #3511