Add organization filled icon (#11993)

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### WHY are these changes introduced?

Fixes Shopify/operate-orgs-and-access#887 <!--
link to issue if one exists -->

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  Context about the problem that’s being addressed.
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### WHAT is this pull request doing?

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Add a new organization filled icon to be used in the Admin settings
menu.
There is `OrganizationIcon` already and with this PR,
`OrganizationFilledIcon` is added.

[Figma
link](https://www.figma.com/file/9IuNsynA4HsixeZHZ0Accf/Organization-Icon?type=design&node-id=4-324&mode=design&t=bOKkUQbPkIGsfehB-0)

[Usage](https://www.figma.com/proto/9IuNsynA4HsixeZHZ0Accf/Organization-Icon?type=design&node-id=1-1061&viewport=-2355%2C-501%2C2.22&t=2irf2U9jx0amxT9u-0&scaling=min-zoom&starting-point-node-id=1%3A1061)

### How to 🎩

🖥 [Local development
instructions](https://github.com/Shopify/polaris/blob/main/README.md#install-dependencies-and-build-workspaces)
🗒 [General tophatting
guidelines](https://github.com/Shopify/polaris/blob/main/documentation/Tophatting.md)
📄 [Changelog
guidelines](https://github.com/Shopify/polaris/blob/main/.github/CONTRIBUTING.md#changelog)

### 🎩 checklist

- [ ] Tested a
[snapshot](https://github.com/Shopify/polaris/blob/main/documentation/Releasing.md#-snapshot-releases)
- [ ] Tested on
[mobile](https://github.com/Shopify/polaris/blob/main/documentation/Tophatting.md#cross-browser-testing)
- [ ] Tested on [multiple
browsers](https://help.shopify.com/en/manual/shopify-admin/supported-browsers)
- [ ] Tested for
[accessibility](https://github.com/Shopify/polaris/blob/main/documentation/Accessibility%20testing.md)
- [ ] Updated the component's `README.md` with documentation changes
- [ ] [Tophatted
documentation](https://github.com/Shopify/polaris/blob/main/documentation/Tophatting%20documentation.md)
changes in the style guide

.changeset/shy-laws-relax.md

@@ -0,0 +1,5 @@
+---
+'@shopify/polaris-icons': minor
+---
+
+Added OrganizationFilledIcon

polaris-icons/icons/OrganizationFilledIcon.yml

@@ -0,0 +1,9 @@
+name: Organization filled
+description: Used to represent a plus organization.
+keywords:
+  - organization
+  - business
+authors:
+  - Ali Angco
+date_added: 2024-05-08
+date_modified: 2024-05-08