Do not use smooth scaling with 100% monitors

[fedejeanne]

When switching back to a monitor with a zoom level of 100, switch back to the "nearest" scale method.

Smooth scaling is used if:

• (in Windows) Monitor-specific scaling is active and the zoom level is not 100
• (in Linux) if the zoom level of the monitor is divisible by 100 but it is not exactly 100
• (in Mac) never

How to test

• 100% monitor
• Other monitor with zoom level != 100
• Start the ControlExample with the following VM parameters:

-Dswt.autoScale=quarter
-Dswt.autoScale.updateOnRuntime=true

• Move the application back and forth between the monitors

The autoScaleMethod should be set to NEAREST in org.eclipse.swt.internal.DPIUtil.setDeviceZoom(int) every time the application goes back the100% monitor.

Important

• Either this PR or Allow smooth scaling for 100% monitors too #1809 can be merged, but not both

[github-actions]

Test Results

   502 files  ±0     502 suites  ±0   9m 58s ⏱️ -2s
 4 334 tests ±0   4 320 ✅ ±0   14 💤 ±0  0 ❌ ±0 
16 575 runs  ±0  16 466 ✅ ±0  109 💤 ±0  0 ❌ ±0 

Results for commit 1b6ce65. ± Comparison against base commit 54dad6c.

[fedejeanne]

Replaced by #1809