Ensure shared ssh project propagates buffer changes to all participants (#19907)

Fixed the bug when shared ssh project did not account for client
changing things in their buffers.
Also ensures Prettier formatting workflow works for both ssh project
owner and ssh project clients.

Release Notes:

- N/A

---------

Co-authored-by: Conrad Irwin <conrad@zed.dev>

crates/collab/src/tests/integration_tests.rs

@@ -21,8 +21,8 @@ use language::{
     language_settings::{
         AllLanguageSettings, Formatter, FormatterList, PrettierSettings, SelectedFormatter,
     },
-    tree_sitter_rust, Diagnostic, DiagnosticEntry, FakeLspAdapter, Language, LanguageConfig,
-    LanguageMatcher, LineEnding, OffsetRangeExt, Point, Rope,
+    tree_sitter_rust, tree_sitter_typescript, Diagnostic, DiagnosticEntry, FakeLspAdapter,
+    Language, LanguageConfig, LanguageMatcher, LineEnding, OffsetRangeExt, Point, Rope,
 };
 use live_kit_client::MacOSDisplay;
 use lsp::LanguageServerId;
@@ -4461,7 +4461,7 @@ async fn test_prettier_formatting_buffer(
             },
             ..Default::default()
         },
-        Some(tree_sitter_rust::LANGUAGE.into()),
+        Some(tree_sitter_typescript::LANGUAGE_TYPESCRIPT.into()),
     )));
     let mut fake_language_servers = client_a.language_registry().register_fake_lsp(
         "TypeScript",