Fix - Adds missing "Executable account not owned by the BPF loader" error to remove_bpf_loader_incorrect_program_id

[Lichtso]

Problem

#30748 is missing this check from v1.14:

        if program.is_executable() && !check_loader_id(program.get_owner()) {
            ic_logger_msg!(
                log_collector,
                "Executable account not owned by the BPF loader"
            );
            return Err(InstructionError::IncorrectProgramId);
        }

Summary of Changes

Adds the missing error condition to the feature gated code.

Feature Gate Issue: #30747

[codecov]

Codecov Report

Merging #32695 (9755ed4) into master (1552a07) will decrease coverage by 0.1%.
Report is 2 commits behind head on master.
The diff coverage is 42.8%.

@@            Coverage Diff            @@
##           master   #32695     +/-   ##
=========================================
- Coverage    82.0%    82.0%   -0.1%     
=========================================
  Files         785      785             
  Lines      211073   211081      +8     
=========================================
- Hits       173167   173152     -15     
- Misses      37906    37929     +23