Fix remapping issues to Home/PgUp and other keys which are also present on NumPad (#4398)

* Added extended key flag to more keys

* Add test for extended key flag

* Move shlwapi.lib reference

* Added shcore ref

* Fixed pipeline incompatibility

* Fixed lib declaration in common

* Fixed formatting

* Remove unused statements

* removed another statement

src/modules/keyboardmanager/common/Helpers.cpp

@@ -75,6 +75,17 @@ namespace KeyboardManagerHelper
         case VK_NUMLOCK:
         case VK_SNAPSHOT:
         case VK_CANCEL:
+            // If the extended flag is not set for the following keys, their NumPad versions are sent. This causes weird behavior when NumLock is on (more information at https://github.com/microsoft/PowerToys/issues/3478)
+        case VK_INSERT:
+        case VK_HOME:
+        case VK_PRIOR:
+        case VK_DELETE:
+        case VK_END:
+        case VK_NEXT:
+        case VK_LEFT:
+        case VK_DOWN:
+        case VK_RIGHT:
+        case VK_UP:
             return true;
         default:
             return false;

src/modules/keyboardmanager/common/KeyboardManagerCommon.vcxproj

@@ -100,6 +100,12 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
     </ClCompile>
+    <Lib>
+      <AdditionalDependencies Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">shlwapi.lib;</AdditionalDependencies>
+    </Lib>
+    <Lib>
+      <AdditionalDependencies Condition="'$(Configuration)|$(Platform)'=='Release|x64'">shlwapi.lib;</AdditionalDependencies>
+    </Lib>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="Helpers.cpp" />