fix(EditChunk): correct prompt description to refer to editing a chunk instead of creating one

Author: Mark-H

core/components/modai/src/Tools/EditChunk.php

@@ -16,7 +16,7 @@ public static function getSuggestedName(): string
 
     public static function getPrompt(): string
     {
-        return "Edits an existing Chunk, which is a reusable piece of HTML or other code that can be inserted into pages, templates, or other elements. Use when explicitly asked to create a chunk or when creating templates to break up reusable pieces. Get the current content to edit using the get_chunks tool. Chunks can be used by adding [[\$name_of_chunk]] in a template or elsewhere. ALWAYS ask for explicit user confirmation with the chunk name, description, and category name in a separate message BEFORE calling this function.";
+        return "Edits an existing Chunk, which is a reusable piece of HTML or other code that can be inserted into pages, templates, or other elements. Use when explicitly asked to edit a chunk or when creating templates to break up reusable pieces. Get the current content to edit using the get_chunks tool. Chunks can be used by adding [[\$name_of_chunk]] in a template or elsewhere. ALWAYS ask for explicit user confirmation with the chunk name, description, and category name in a separate message BEFORE calling this function.";
     }
 
     public static function getParameters(): array