fetch disassembly show '\t' as 't'

[zqb-all]

Describe the bug fetch disassembly show '\t' as 't'

To Reproduce use riscv gdb, click fetch disassembly

Screenshots

Please complete the following information:

• OS: ubuntu run on windows wsl2
• gdbgui version (gdbgui -v): v0.15.0.1 and v0.15.1.0
• gdb version (gdb -v): 10.1 configured as "--host=x86_64-pc-linux-gnu --target=riscv64-unknown-elf"
• browser [e.g. chrome, safari]: Edge
• python packages (pip freeze):

  pip3 freeze argcomplete==2.0.0 colorlog==6.7.0 distlib==0.3.6 filelock==3.8.0 nox==2022.8.7 packaging==21.3 platformdirs==2.5.2 py==1.11.0 pyparsing==3.0.9 virtualenv==20.16.6

[zqb-all]