Fixes: Bugfix# 13874

Summary:
Supports different formats for dates in the documents.
Changes:
Include multiple formats like, long, full, medium and short types of dates for the document templates.

Author: KarnaiahPesula

sormas-backend/src/main/java/de/symeda/sormas/backend/docgeneration/DocumentTemplateFacadeEjb.java

@@ -318,6 +318,12 @@ private void fillGeneralValues(DocumentVariables documentVariables, Properties p
 			String dateType = generalProperty.substring(generalProperty.lastIndexOf('.') + 1);
 			FormatStyle formatStyle;
 			switch (dateType) {
+			case "long":
+				formatStyle = FormatStyle.LONG;
+				break;
+			case "full":
+				formatStyle = FormatStyle.FULL;
+				break;
 			case "medium":
 				formatStyle = FormatStyle.MEDIUM;
 				break;