Adapt Snippet367 and Snippet382 to ImageGcDrawer

[HeikoKlare]

Two snippets refer to an old signature of the ImageGcDrawer interface, leading to compilation issues. This change change adapts them accordingly.

[github-actions]

Test Results

   493 files   -  1     493 suites   - 1   9m 14s ⏱️ +8s
 4 289 tests  - 37   4 273 ✅  - 35   15 💤  - 3  0 ❌ ±0  1 🔥 +1 
16 499 runs   - 37  16 354 ✅  - 34  144 💤  - 4  0 ❌ ±0  1 🔥 +1 

For more details on these errors, see this check.

Results for commit 4fae5a8. ± Comparison against base commit c493ae8.

This pull request removes 37 tests.

org.eclipse.swt.graphics.ImageWin32Tests ‑ testImageDataForDifferentFractionalZoomsShouldBeDifferent
org.eclipse.swt.graphics.ImageWin32Tests ‑ testImageShouldHaveDimesionAsPerZoomLevel
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testByteArrayTransfer
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testFileTransfer
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testHtmlTransfer
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testImageTransfer_fromCopiedImage
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testImageTransfer_fromImage
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testImageTransfer_fromImageData
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testImageTransfer_fromImageDataFromImage
org.eclipse.swt.tests.win32.Test_org_eclipse_swt_dnd_DND ‑ testRtfTransfer
…

[HeikoKlare]

Snippets are not compiled in CI anyway.