Fix swapped arguments in ThreadNewIndirect trampoline

[shumbo]

Summary

• Fix argument ordering bug in the ThreadNewIndirect trampoline in crates/cranelift/src/compiler/component.rs where start_func_table_idx and start_func_ty_idx were passed to the host thread_new_indirect libcall in the wrong order
• The host function signature expects func_ty_id before func_table_idx, but the trampoline pushed them in the opposite order, causing the runtime to resolve functions from the wrong table when multiple tables are in use
• Add a regression test with two tables that asserts the correct trap when calling thread.new-indirect targeting an empty table

Details

The bug was invisible in the common single-table case where both indices are 0. With multiple tables, the swapped indices cause the runtime to look up a function in the wrong table instead of trapping.

The fix swaps the two params.push calls to match the expected parameter order in the thread_new_indirect host function signature defined in crates/environ/src/component.rs.