Avoid adding empty edits; only add the text edit if it is not null.

Author: chathuranga-jayanath-99

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/mediatorService/AIConnectorHandler.java

@@ -1156,7 +1156,7 @@ private TextEdit ensureMcpConnectionExists(DOMDocument document, DOMNode agentNo
 
         if (mcpConnectionsNode != null) {
             if (hasMCPConnection(mcpConnectionsNode, connectionName)) {
-                return emptyEdit(documentUri);
+                return null;
             }
             return insertMCPConnection(document, mcpConnectionsNode, connectionName, documentUri);
         }
@@ -1193,13 +1193,6 @@ private TextEdit insertNewMCPConnectionsBlock(DOMDocument document, DOMNode agen
         return new DocumentTextEdit(insertRange, renderMcpConnectionsBlock(List.of(keyXml)), documentUri);
     }
 
-    private TextEdit emptyEdit(String documentUri) {
-
-        Position pos = new Position(0, 0);
-        Range emptyRange = new Range(pos, pos);
-        return new DocumentTextEdit(emptyRange, "", documentUri);
-    }
-
     private boolean hasMCPConnection(DOMNode mcpConnectionsNode, String connectionName) {
 
         for (DOMNode child : mcpConnectionsNode.getChildren()) {

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/customservice/synapse/mediatorService/pojo/SynapseConfigResponse.java

@@ -42,7 +42,9 @@ public List<TextEdit> getTextEdits() {
 
     public void addTextEdit(TextEdit edit) {
 
-        textEdits.add(edit);
+        if (edit != null) {
+            textEdits.add(edit);
+        }
     }
 
     public void sort() {