build: Fix macos blurry flicker (#1956)

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### Problem description
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implemented, or link to an existing issue describing it -->

seem to fix #1809. I couldn't build the app, so hoping that's the right
place to update resulting `Info.plist`

### Implementation description
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resources/dist/macos/Info.plist.in

@@ -47,5 +47,7 @@
 	<true/>
 	<key>NSHumanReadableCopyright</key>
 	<string>${MACOSX_BUNDLE_COPYRIGHT}</string>
+	<key>NSHighResolutionCapable</key>
+	<true/>
 </dict>
 </plist>