Add nonce prop for MUI datagrid components

[alexdunae]

Loading the table view of MUI components into an application with a strict CSP causes some styles to be blocked...

react-dom.development.js:11059 Applying inline style violates the following Content Security Policy directive 
'style-src studio-app: electron: https://fonts.googleapis.com/  'nonce-vKT+/ihfyxagB+NQGkSY5Q==' ..... 
Either the 'unsafe-inline' keyword, a hash ('sha256-iY7C7YXDoCbNswk4mZBcPreUECXq6ksEEeX6HrVFk3M='), 
or a nonce ('nonce-...') is required to enable inline execution. The action has been blocked.

This PR gives consumers the ability to pass a nonce prop: https://mui.com/x/api/data-grid/data-grid/#data-grid-prop-nonce

[arome]

thanks for the quick fix!

[Copilot]

Pull request overview

Adds CSP nonce support to the imodel-browser React MUI DataGrid-based table views so consumers with strict nonce-based CSP policies can avoid inline-style blocking.

Changes:

• Adds an optional nonce?: string prop to ITwinGridMUI / IModelGridMUI and threads it through to the underlying table components.
• Forwards nonce to MUI X DataGrid in ITwinTableMUI and IModelTableMUI.
• Adds a unit test verifying nonce forwarding and documents usage in the module README.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packages/modules/imodel-browser/src/mui/containers/ITwinGrid/ITwinTableMUI.tsx	Adds nonce prop and forwards it to DataGrid.
packages/modules/imodel-browser/src/mui/containers/ITwinGrid/ITwinGridMUI.tsx	Adds nonce prop and passes it down to ITwinTableMUI.
packages/modules/imodel-browser/src/mui/containers/iModelGrid/IModelTableMUI.tsx	Adds nonce prop and forwards it to DataGrid.
packages/modules/imodel-browser/src/mui/containers/iModelGrid/IModelGridMUI.tsx	Adds nonce prop and passes it down to IModelTableMUI.
packages/modules/imodel-browser/src/mui/containers/DataGridNonce.test.tsx	Adds a test to validate nonce forwarding to the DataGrid layer.
packages/modules/imodel-browser/README.md	Documents how to supply a CSP nonce to the MUI grids.
common/changes/@itwin/imodel-browser-react/alex-datagrid-csp-nonce_2026-07-10-00-00.json	Adds a patch-level changelog entry for the new CSP nonce support.

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