Fixed cursor jumping to end issue

lib/screens/common_widgets/env_trigger_field.dart

@@ -67,13 +67,31 @@ class EnvironmentTriggerFieldState extends State<EnvironmentTriggerField> {
   @override
   void didUpdateWidget(EnvironmentTriggerField oldWidget) {
     super.didUpdateWidget(oldWidget);
-    if ((oldWidget.keyId != widget.keyId) ||
-        (oldWidget.initialValue != widget.initialValue)) {
+    if (oldWidget.keyId != widget.keyId) {
+      // Key changed - create new controller with cursor at end
       controller = widget.controller ??
           TextEditingController.fromValue(TextEditingValue(
               text: widget.initialValue!,
               selection: TextSelection.collapsed(
                   offset: widget.initialValue!.length)));
+    } else if (oldWidget.initialValue != widget.initialValue) {
+      // Initial value changed but key is same
+      // Preserve cursor position if text is being updated
+      if (widget.controller == null) {
+        final currentSelection = controller.selection;
+        final newText = widget.initialValue ?? '';
+
+        // Only update if the text actually differs from controller's current text
+        if (controller.text != newText) {
+          // Preserve cursor position, ensuring it's within bounds
+          final newOffset =
+              currentSelection.baseOffset.clamp(0, newText.length);
+          controller.value = TextEditingValue(
+            text: newText,
+            selection: TextSelection.collapsed(offset: newOffset),
+          );
+        }
+      }
     }
   }
 
@@ -119,17 +137,17 @@ class EnvironmentTriggerFieldState extends State<EnvironmentTriggerField> {
       ],
       fieldViewBuilder: (context, textEditingController, focusnode) {
         return ExtendedTextField(
-          controller: textEditingController,
-          focusNode: focusnode,
-          decoration: widget.decoration,
-          style: widget.style,
-          onChanged: widget.onChanged,
-          onSubmitted: widget.onFieldSubmitted,
-          specialTextSpanBuilder: EnvRegExpSpanBuilder(),
-          onTapOutside: (event) {
-            _focusNode.unfocus();
-          },
-          readOnly: widget.readOnly,
+            controller: textEditingController,
+            focusNode: focusnode,
+            decoration: widget.decoration,
+            style: widget.style,
+            onChanged: widget.onChanged,
+            onSubmitted: widget.onFieldSubmitted,
+            specialTextSpanBuilder: EnvRegExpSpanBuilder(),
+            onTapOutside: (event) {
+              _focusNode.unfocus();
+            },
+            readOnly: widget.readOnly,
           obscureText: widget.obscureText
 
         );