1 41 3 fix bugs (mini-software#818)

* v1.41.2 AddPicture not working mini-software#814

* mini-software#814 samples

* Fix v1.41.1 AddPicture image max column and row are 2 cells mini-software#815

* Fix AddPicture get error same export file and second time. mini-software#817

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Signed-off-by: Wei Lin <shps951002@gmail.com>

(cherry picked from commit 1103aed)

Author: shps951023

src/MiniExcel/MiniExcelLibs.csproj

@@ -4,6 +4,8 @@
 		<Version>2.0.0-beta.1</Version>
 		<Version>1.41.2</Version>
 		<Nullable>enable</Nullable>
+		<TargetFrameworks>net462;netstandard2.0;net8.0;net9.0</TargetFrameworks>
+		<Version>1.41.3</Version>
 	</PropertyGroup>
 	<PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0' or '$(TargetFramework)' == 'net462'">
 		<LangVersion>13</LangVersion>

src/MiniExcel/Picture/MiniExcelPicture.cs

@@ -12,6 +12,6 @@ public class MiniExcelPicture
     internal int ColumnNumber => ReferenceHelper.ConvertCellToXY(CellAddress).Item1 -1;
     internal int RowNumber => ReferenceHelper.ConvertCellToXY(CellAddress).Item2 - 1;
 
-    public int WidthPx { get; set; }
-    public int HeightPx { get; set; }
+    public int WidthPx { get; set; } = 80;
+    public int HeightPx { get; set; } = 24;
 }