[AC-3505] fix: add root element to full screen component for modal

[bang9]

Changes

• Fixed a crash when opening a modal in the full-screen widget (root element for React portal not found).

ticket: AC-3505

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Size Change: +74 B (+0.01%)

Total Size: 618 kB

Filename	Size	Change
./dist/__bundle-2aa1a987-********.js	2.63 kB	-1 B (-0.04%)
./dist/__bundle-95b1bd50-********.js	890 B	-2 B (-0.22%)
./dist/index-********.js	312 kB	+32 B (+0.01%)
./dist/index.es.js	169 B	-2 B (-1.17%)
./dist/index.umd.js	291 kB	+47 B (+0.02%)

ℹ️ View Unchanged

| Filename | Size | | :--- | :---: | | `./dist/__bundle-347d730c-********.js` | 4.01 kB | | `./dist/style.css` | 7.95 kB |

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