Move running_from_iso import to module level

No circular dep, simpler than per-method local imports.

Author: Softer

archinstall/lib/translationhandler.py

@@ -10,6 +10,7 @@
 from archinstall.lib.command import SysCommand
 from archinstall.lib.exceptions import SysCallError
 from archinstall.lib.output import debug
+from archinstall.lib.utils.util import running_from_iso
 
 
 @dataclass
@@ -65,8 +66,6 @@ def active_font(self) -> str | None:
 
 	def _set_font(self, font_name: str | None) -> bool:
 		"""Set the console font via setfont. Only runs on ISO. Returns True on success."""
-		from archinstall.lib.utils.util import running_from_iso
-
 		if not running_from_iso():
 			return False
 
@@ -80,8 +79,6 @@ def _set_font(self, font_name: str | None) -> bool:
 
 	def save_console_font(self) -> None:
 		"""Save the current console font (with unicode map) and console map to temp files."""
-		from archinstall.lib.utils.util import running_from_iso
-
 		if not running_from_iso():
 			return