Move hot-path imports to module scope

Address Sourcery review feedback: move face_align and get_one_face
imports from inside per-frame functions to module-level to avoid
repeated attribute lookup overhead in the processing loop.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

modules/processors/frame/core.py

@@ -11,6 +11,7 @@ from tqdm import tqdm
 
 import modules
 import modules.globals
+from modules.face_analyser import get_one_face
 
 FRAME_PROCESSORS_MODULES: List[ModuleType] = []
 FRAME_PROCESSORS_INTERFACE = [
@@ -321,8 +322,6 @@ def _run_pipe_pipeline(
     bar_fmt = ('{l_bar}{bar}| {n_fmt}/{total_fmt} '
                '[{elapsed}<{remaining}, {rate_fmt}{postfix}]')
 
-    from modules.face_analyser import get_one_face
-
     try:
         with tqdm(total=total_frames, desc='Processing', unit='frame',
                   dynamic_ncols=True, bar_format=bar_fmt) as progress: