lsp: limit source.fixAll matching to pyrefly subtree

When a client requests source.fixAll.*, we should not run pyrefly fix-all for sibling providers. Restrict matching to either the generic source.fixAll ancestor or source.fixAll.pyrefly descendants.

Author: Arths17

pyrefly/lib/lsp/non_wasm/server.rs

@@ -4174,9 +4174,7 @@ impl Server {
         let allow_fix_all = only_kinds.is_none_or(|kinds| {
             kinds.iter().any(|kind| {
                 kind == &CodeActionKind::SOURCE_FIX_ALL
-                    || kind
-                        .as_str()
-                        .starts_with(CodeActionKind::SOURCE_FIX_ALL.as_str())
+                    || kind.as_str().starts_with(SOURCE_FIX_ALL_PYREFLY)
             })
         });
         let allow_refactor = only_kinds.is_none_or(|kinds| {