[FIX] web_editor: change link shortcut to ctrl+M

Old shortcut (ctrl+K) was conflicting with the new command palette feature, so we change it to CTRL+M.

task-2593213

closes odoo/odoo#75069

X-original-commit: 0371fe2b9e54ff557265a8f8fc919d351ed6a7d5
Signed-off-by: Antoine Guenet <Zinston@users.noreply.github.com>

addons/web_editor/static/src/js/wysiwyg/wysiwyg.js

@@ -888,8 +888,8 @@ const Wysiwyg = Widget.extend({
      * Handle custom keyboard shortcuts.
      */
     _handleShortcuts: function (e) {
-        // Open the link modal / tool when CTRL+K is pressed.
-        if (e && e.key === 'k' && (e.ctrlKey || e.metaKey)) {
+        // Open the link modal / tool when CTRL+M is pressed.
+        if (e && e.key === 'm' && (e.ctrlKey || e.metaKey)) {
             e.preventDefault();
             this.toggleLinkTools();
         }