Add formatter support for dump-sem-ir ranges (#5379)

This prints instructions that are inside the range, and entities that
overlap with the range. Note this can lead to incomplete printing of
entity contents.

toolchain/driver/compile_subcommand.cpp

@@ -568,7 +568,8 @@ auto CompilationUnit::PostCheck() -> void {
       return IncludeInDumps(import_ir->filename());
     };
 
-    SemIR::Formatter formatter(&*sem_ir_, should_format_entity);
+    SemIR::Formatter formatter(&*sem_ir_, should_format_entity,
+                               *tree_and_subtrees_getter_);
     formatter.Format();
     if (vlog_stream_) {
       CARBON_VLOG("*** SemIR::File ***\n");