Merge bitcoin/bitcoin#29044: msvc: Define the same QT_... macros as in Autotools builds

1a5dae6 msvc: Define the same `QT_...` macros as in Autotools builds (Hennadii Stepanov)

Pull request description:

  There are no reasons to have such a diversion.

  Also it fixes bitcoin/bitcoin#28960 (comment).

ACKs for top commit:
  sipsorcery:
    tACK 1a5dae6.
  TheCharlatan:
    ACK 1a5dae6

Tree-SHA512: 75be5eabb8fec974b8d77a023c72323015a3d95fbc13b7fd85e5f25c250ae67850ddf0bcaef143828d75fe35a49e7c9b1966976b74f3ce7d14465174e6585ceb

Author: fanquake

build_msvc/common.qt.init.vcxproj

@@ -13,4 +13,10 @@
     <QtDebugLibraries>$(QtPluginsLibraryDir)\platforms\qwindowsd.lib;$(QtPluginsLibraryDir)\platforms\qminimald.lib;$(QtPluginsLibraryDir)\styles\qwindowsvistastyled.lib;$(QtLibraryDir)\*d.lib;Wtsapi32.lib;crypt32.lib;userenv.lib;netapi32.lib;imm32.lib;Dwmapi.lib;version.lib;winmm.lib;UxTheme.lib</QtDebugLibraries>
   </PropertyGroup>
 
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <PreprocessorDefinitions>QT_NO_KEYWORDS;QT_USE_QSTRINGBUILDER;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+  </ItemDefinitionGroup>
+
 </Project>