Qemu-sparc and qemu-x86 templates have the same title (Generic QEMU x86 Templae)

Issue originally reported in the eaasi-installer GitLab project:

Current default templates for qemu–system-sparc and qemu-system-x86 have the same name when a recent qemu-system image is imported (Generic QEMU x86 Templae), making it confusing in the UI to select SPARC or x86 system