Fixed Vulkan issue when attachment size does not match framebuffer size.

The main part of the fix is to specify app's DPI awareness. It is done by specifying Windows DPI awareness in manifest file.
Additionally the test was added to ensure that selected r_mode does not exceed current desktop size.

visual-studio/DeclareDPIAware.manifest

@@ -0,0 +1,7 @@
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" >
+  <asmv3:application>
+    <asmv3:windowsSettings xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">
+      <dpiAware>true/pm</dpiAware>
+    </asmv3:windowsSettings>
+  </asmv3:application>
+</assembly>

visual-studio/quake3.vcxproj

@@ -91,6 +91,9 @@
       </OutputFile>
     </Bscmake>
     <PostBuildEvent />
+    <Manifest>
+      <AdditionalManifestFiles>DeclareDPIAware.manifest</AdditionalManifestFiles>
+    </Manifest>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <Midl>
@@ -127,6 +130,9 @@
       <OutputFile>
       </OutputFile>
     </Bscmake>
+    <Manifest>
+      <AdditionalManifestFiles>DeclareDPIAware.manifest</AdditionalManifestFiles>
+    </Manifest>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\src\engine\server\sv_bot.c">