GC: Logging: Expand ItemAttachment object details for coverage (#2366)

## Description
Updates within /internal/connector/exchange package. Adds helper function for displaying the internal object item type that is included as an attachment. This will help overall with supporting additional `ItemAttachment` objects. 
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## Does this PR need a docs update or release note?
- [x] ⛔ No 

## Type of change

<!--- Please check the type of change your PR introduces: --->

- [x] 🧹 Tech Debt/Cleanup

## Issue(s)

<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* related to #2353<issue>

## Test Plan

<!-- How will this be tested prior to merging.-->
- [x] 💪 Manual

src/internal/connector/exchange/attachment.go

@@ -55,9 +55,15 @@ func uploadAttachment(
 
 	// item Attachments to be skipped until the completion of Issue #2353
 	if attachmentType == models.ITEM_ATTACHMENTTYPE {
+		name := ""
+		if attachment.GetName() != nil {
+			name = *attachment.GetName()
+		}
+
 		logger.Ctx(ctx).Infow("item attachment uploads are not supported ",
-			"attachment_name", *attachment.GetName(), // TODO: Update to support PII protection
+			"attachment_name", name, // TODO: Update to support PII protection
 			"attachment_type", attachmentType,
+			"internal_item_type", getItemAttachmentItemType(attachment),
 			"attachment_id", *attachment.GetId(),
 		)
 
@@ -101,3 +107,19 @@ func uploadLargeAttachment(ctx context.Context, uploader attachmentUploadable,
 
 	return nil
 }
+
+func getItemAttachmentItemType(query models.Attachmentable) string {
+	empty := ""
+	attachment, ok := query.(models.ItemAttachmentable)
+
+	if !ok {
+		return empty
+	}
+
+	item := attachment.GetItem()
+	if item.GetOdataType() == nil {
+		return empty
+	}
+
+	return *item.GetOdataType()
+}