Codec: typed cell text keeps the content format

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Cargo.toml

@@ -95,7 +95,7 @@ iced_core = { git = "https://github.com/iced-rs/iced.git", rev = "23604ff22ab0aa
 iced_widget = { git = "https://github.com/iced-rs/iced.git", rev = "23604ff22ab0aad9e00b9327cb7b8546ed84db39" }
 
 [patch."https://github.com/HakanSeven12/opencadcodec.git"]
-opencadcodec = { git = "https://github.com/ramox81/cadcodec.git", rev = "53847a7" }
+opencadcodec = { git = "https://github.com/ramox81/cadcodec.git", rev = "435c736" }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 getrandom = "0.3"