add 2 ace compatible functions

- clearSelection - blocky node
- selectAll - obvious addition

packages/node_modules/@node-red/editor-client/src/js/ui/editors/code-editors/monaco.js

@@ -31,6 +31,8 @@
         function setMode(mode, cb)
         function getRange();
         function replace(range, text)
+        function selectAll 
+        function clearSelection
         function getSelectedText()
         function destroy()
         function resize()
@@ -1013,11 +1015,20 @@ RED.editor.codeEditor.monaco = (function() {
             }
         }
 
+        ed.selectAll =  function selectAll() {
+            const range = ed.getModel().getFullModelRange();
+            ed.setSelection(range);
+        }
+
+        ed.clearSelection = function clearSelection() {
+            ed.setPosition({column:1,lineNumber:1});
+        }
+
         ed.getSelectedText = function getSelectedText() {
             return ed.getModel().getValueInRange(ed.getSelection());
         }
 
-        ed.insertSnippet = function editer_insertSnippet(s) {
+        ed.insertSnippet = function insertSnippet(s) {
             //https://github.com/microsoft/monaco-editor/issues/1112#issuecomment-429580604
             //no great way of triggering snippets!
             let contribution = ed.getContribution("snippetController2");