[FIX] web_editor: prevent double space insertion

The auto-link making feature would insert two spaces when the user would try to add one space.
It is no longer the case.
Some selection management with the link making has been fixed as well.

task-2584101

addons/web_editor/static/lib/odoo-editor/src/OdooEditor.js

@@ -1685,12 +1685,11 @@ export class OdooEditor extends EventTarget {
                 if (
                     ev.data.includes(' ') &&
                     selection &&
-                    selection.anchorNode &&
-                    !this.commandBar._active
+                    selection.anchorNode
+                    && (!this.commandBar._active ||
+                        this.commandBar._currentOpenOptions.closeOnSpace !== true)
                 ) {
-                    ev.preventDefault();
                     this._convertUrlInElement(closestElement(selection.anchorNode));
-                    this.execCommand('insertText', ev.data);
                 }
                 this.sanitize();
                 this.historyStep();
@@ -2093,14 +2092,16 @@ export class OdooEditor extends EventTarget {
      * @param {int} length
      */
     _createLinkWithUrlInTextNode(textNode, url, index, length) {
-        setCursor(textNode, index, textNode, index + length);
-        this.document.execCommand('createLink', false, url);
-        const sel = this.document.getSelection();
-        const link = closestElement(sel.anchorNode, 'a');
+        const link = this.document.createElement('a')
+        link.setAttribute('href', url)
         for (const [param, value] of Object.entries(this.options.defaultLinkAttributes)) {
             link.setAttribute(param, `${value}`);
         }
-        sel.collapseToEnd();
+        const range = this.document.createRange()
+        range.setStart(textNode, index)
+        range.setEnd(textNode, index+length)
+        link.appendChild(range.extractContents())
+        range.insertNode(link)
     }
 
     /**