fix: show reset_link in button URL variable suggestions

Button modals in both RichTextEditor and EmailBuilder filtered
for _url variables only, excluding reset_link. Updated filter to
include both _url and _link patterns.

Files changed:
- rich-text-editor.tsx line 415
- EmailBuilder.tsx line 359

admin-spa/src/components/EmailBuilder/EmailBuilder.tsx

@@ -356,7 +356,7 @@ export function EmailBuilder({ blocks, onChange, variables = [] }: EmailBuilderP
                   />
                   {variables.length > 0 && (
                     <div className="flex flex-wrap gap-1 mt-2">
-                      {variables.filter(v => v.includes('_url')).map((variable) => (
+                      {variables.filter(v => v.includes('_url') || v.includes('_link')).map((variable) => (
                         <code
                           key={variable}
                           className="text-xs bg-muted px-2 py-1 rounded cursor-pointer hover:bg-muted/80"

admin-spa/src/components/ui/rich-text-editor.tsx

@@ -412,7 +412,7 @@ export function RichTextEditor({
                 />
                 {variables.length > 0 && (
                   <div className="flex flex-wrap gap-1 mt-2">
-                    {variables.filter(v => v.includes('_url')).map((variable) => (
+                    {variables.filter(v => v.includes('_url') || v.includes('_link')).map((variable) => (
                       <code
                         key={variable}
                         className="text-xs bg-muted px-2 py-1 rounded cursor-pointer hover:bg-muted/80"