api: add MessageSearchResult.chat_id (#6120)

deltachat-jsonrpc/src/api/types/message.rs

@@ -490,6 +490,7 @@ pub struct MessageSearchResult {
     author_name: String,
     author_color: String,
     author_id: u32,
+    chat_id: u32,
     chat_profile_image: Option<String>,
     chat_color: String,
     chat_name: String,
@@ -529,6 +530,7 @@ impl MessageSearchResult {
             author_name,
             author_color: color_int_to_hex_string(sender.get_color()),
             author_id: sender.id.to_u32(),
+            chat_id: chat.id.to_u32(),
             chat_name: chat.get_name().to_owned(),
             chat_color,
             chat_type: chat.get_type().to_u32().context("unknown chat type id")?,