Install text-editor for riscv-build1 in Releng-JIPP

Summary

Please install gedit or gnome-text-editor on the riscv-build1 computer in the RelEng JIPP in order to fix smoke-test failures:

• https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/2642#issuecomment-2676132569
• https://ci.eclipse.org/releng/job/SmokeTests/job/Start-smoke-tests/

If I recall correctly, it was setup as part of #4978 (closed)

Priority

• Urgent
• High
• Medium
• Low

Severity

• Blocker
• Major
• Normal
• Low