Remove old icon and update project references

- Deleted the binary file `icon.png`.
- Updated `PackageIcon` paths in project files to remove dependency on `Assets\icon.png`.
- Added a new `None` item in `DigitalData.EmailProfilerDispatcher.Abstraction.csproj` to include `..\Assets\icon.png`.
- Created a new project section for "Solution Items" in `DigitalData.EmailProfilerDispatcher.sln` to include `icon.png`.
- Removed the previous `ItemGroup` for `None` that updated `Assets\icon.png`.
- The binary file `icon.png` was replaced with a new version.

DigitalData.EmailProfilerDispatcher/DigitalData.EmailProfilerDispatcher.csproj

@@ -8,7 +8,7 @@
     <Version>3.0.0</Version>
     <Company>Digital Data GmbH</Company>
     <Copyright>Copyright 2024</Copyright>
-    <PackageIcon>Assets\icon.png</PackageIcon>
+    <PackageIcon>icon.png</PackageIcon>
     <PackageTags>digital data email dispatcher</PackageTags>
     <Description>DigitalData.EmailProfilerDispatcher enables adding data to the Email Profiler's SQL tables for systematic and batch email dispatching. It also supports dynamic and automatic template filling using attributes, allowing object property values to populate email templates.</Description>
     <Authors>Digital Data GmbH</Authors>
@@ -17,6 +17,13 @@
     <FileVersion>3.0.0</FileVersion>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Include="..\Assets\icon.png">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+    </None>
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="13.0.1" />
     <PackageReference Include="DigitalData.Core.Abstractions" Version="3.4.0" />
@@ -32,12 +39,4 @@
     <ProjectReference Include="..\DigitalData.EmailProfilerDispatcher.Abstraction\DigitalData.EmailProfilerDispatcher.Abstraction.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <None Update="Assets\icon.png">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      <Pack>True</Pack>
-      <PackagePath>\</PackagePath>
-    </None>
-  </ItemGroup>
-
 </Project>