GUI: fixed matplotlib bug in facedetectionpanel that was causing a non-fatal but unnecessary warning

src/aare/gui/panels/face_detection_panel.py

@@ -28,7 +28,14 @@ class FaceDetectionPanel(QWidget):
         def _set_step_size(val: float):
             self.step_size = int(val)
 
-        self.fig = Figure(figsize=(5, 4), tight_layout=True)
+        self.fig = Figure(figsize=(5, 4))
+        self.fig.subplots_adjust(
+            left=0.12,
+            right=0.97,
+            bottom=0.10,
+            top=0.95,
+            hspace=0.45,
+        )
         self.canvas = FigureCanvas(self.fig)
         self.ax1 = self.fig.add_subplot(2, 1, 1)
         self.ax2 = self.fig.add_subplot(2, 1, 2)