Revert "Add Space key as alternative to Enter for PI Edit Mode apply"

This reverts commit 33a4639de5.

src/bonsai/bonsai/bim/module/alignment/decorator.py

@@ -392,7 +392,7 @@ class PIEditDecorator:
             f"PIs: {valid_count}",
             "",
             "G: Move selected PI",
-            "ENTER/SPACE: Apply changes",
+            "ENTER: Apply changes",
             "ESC: Cancel",
         ]
 

src/bonsai/bonsai/bim/module/alignment/operator.py

@@ -1450,7 +1450,7 @@ class SAIKEI_OT_enter_pi_edit_mode(Operator):
 
         # Start modal loop
         context.window_manager.modal_handler_add(self)
-        self.report({"INFO"}, "PI Edit Mode: Move PIs with G. Press Enter/Space to apply, Escape to cancel.")
+        self.report({"INFO"}, "PI Edit Mode: Move PIs with G. Press Enter to apply, Escape to cancel.")
         return {"RUNNING_MODAL"}
 
     def modal(self, context, event):
@@ -1474,12 +1474,8 @@ class SAIKEI_OT_enter_pi_edit_mode(Operator):
             if self._area:
                 self._area.tag_redraw()
 
-        # Handle keyboard input for apply/cancel
-        # Support both regular Enter and Numpad Enter, plus Space as alternative
-        if event.type in {"RET", "NUMPAD_ENTER", "SPACE"} and event.value == "PRESS":
-            # Don't consume Space if user is typing in a field
-            if event.type == "SPACE" and context.area.type != "VIEW_3D":
-                return {"PASS_THROUGH"}
+        # Handle keyboard input
+        if event.type == "RET" and event.value == "PRESS":
             return self._cleanup_and_finish(context, apply=True)
 
         if event.type == "ESC" and event.value == "PRESS":

src/bonsai/bonsai/bim/module/alignment/ui.py

@@ -238,7 +238,7 @@ class SAIKEI_PT_pi_editor(Panel):
             box.label(text="PI Edit Mode Active", icon="EDITMODE_HLT")
             col = box.column(align=True)
             col.label(text="Move PIs with G key")
-            col.label(text="Press Enter or Space to apply")
+            col.label(text="Press Enter to apply")
             col.label(text="Press Escape to cancel")
             layout.separator()
             return  # Don't show normal UI while in edit mode