Fix for #2816

[swamishiju]

Changed all Type Number errors in old code gen errors to type names

$ grep -iInHr "type number"
./libasr/codegen/asr_to_c.cpp:390:                diag.codegen_error_label("Type number '"
./libasr/codegen/asr_to_c.cpp:554:                diag.codegen_error_label("Type number '"
./libasr/codegen/asr_to_wasm.cpp:875:                diag.codegen_error_label("Type number '" +
./libasr/codegen/asr_to_cpp.cpp:262:                diag.codegen_error_label("Type number '"
./libasr/codegen/asr_to_cpp.cpp:309:                diag.codegen_error_label("Type number '"
./libasr/codegen/asr_to_julia.cpp:310:                diag.codegen_error_label("Type number '" + std::to_string(v.m_type->type)
./libasr/codegen/asr_to_julia.cpp:407:                diag.codegen_error_label("Type number '" + std::to_string(v_m_type->type)
./libasr/codegen/asr_to_julia.cpp:987:                diag.codegen_error_label("Type number '" + std::to_string(v->m_type->type)

[swamishiju]

Closing - will be fixed during ASR sync