fix: fix comments

Author: wenytang-ms

jdtls.ext/com.microsoft.jdtls.ext.core/src/com/microsoft/jdtls/ext/core/parser/ContextResolver.java

@@ -1120,7 +1120,7 @@ private static String extractMethodJavaDocSummary(IMethod method) {
 
             // === High Priority: Mark deprecated methods ===
             if (cleaned.contains("@deprecated")) {
-                result.append(" [DEPRECATED]");
+                result.append(result.length() > 0 ? " " : "").append("[DEPRECATED]");
             }
 
             return result.toString();
@@ -1298,7 +1298,7 @@ private static String extractFieldJavaDocSummary(org.eclipse.jdt.core.IField fie
 
             // === High Priority: Mark deprecated fields ===
             if (cleaned.contains("@deprecated")) {
-                summary += " [DEPRECATED]";
+                summary = summary.isEmpty() ? "[DEPRECATED]" : summary + " [DEPRECATED]";  
             }
 
             return summary;