refactor: suppress nullable compliler warnigns

Author: osm-Jatin

OsmoDoc/Word/Models/DocumentData.cs

@@ -13,11 +13,11 @@ public class DocumentData
     /// <summary>
     /// Gets or sets the list of content placeholders in the document.
     /// </summary>
-    public List<ContentData> Placeholders { get; set; }
+    public List<ContentData> Placeholders { get; set; } = new();
 
     /// <summary>
     /// Gets or sets the list of table data in the document.
     /// </summary>
 
-    public List<TableData> TablesData { get; set; }
+    public List<TableData> TablesData { get; set; } = new();
 }

OsmoDoc/Word/Models/TableData.cs

@@ -18,5 +18,5 @@ public class TableData
     /// Each dictionary contains column header-value pairs.
     /// </summary>
 
-    public List<Dictionary<string, string>> Data { get; set; }
+    public List<Dictionary<string, string>> Data { get; set; } = new();
 }

OsmoDoc/Word/WordDocumentGenerator.cs

@@ -305,15 +305,20 @@ private async static Task ReplaceImagePlaceholders(string inputFilePath, string
                     DocProperties? docProperty = drawing.Descendants<DocProperties>().FirstOrDefault();
 
                     // If drawing / image name is present in imagePlaceholders dictionary, then replace image
-                    if (docProperty != null && imagePlaceholders.ContainsKey(docProperty.Name))
+                    if (docProperty != null && docProperty.Name != null && imagePlaceholders.ContainsKey(docProperty.Name!))
                     {
                         List<Blip> drawingBlips = drawing.Descendants<Blip>().ToList();
 
                         foreach (Blip blip in drawingBlips)
                         {
-                            OpenXmlPart imagePart = wordDocument.MainDocumentPart.GetPartById(blip.Embed);
+                            if (blip.Embed == null)
+                            {
+                                continue;
+                            }
+
+                            OpenXmlPart imagePart = mainDocumentPart!.GetPartById(blip.Embed!);
 
-                            string imagePath = imagePlaceholders[docProperty.Name];
+                            string imagePath = imagePlaceholders[docProperty.Name!];
 
                             // Asynchronously download image data using HttpClient
                             byte[] imageData = await _httpClient.GetByteArrayAsync(imagePath);