mesh_snap_utilities_line: fix missing detail in last update.

I should've tested first.

mesh_snap_utilities_line/__init__.py

@@ -22,7 +22,7 @@
 bl_info = {
     "name": "Snap_Utilities_Line",
     "author": "Germano Cavalcante",
-    "version": (5, 9, 14),
+    "version": (5, 9, 15),
     "blender": (2, 80, 0),
     "location": "View3D > TOOLS > Line Tool",
     "description": "Extends Blender Snap controls",

mesh_snap_utilities_line/drawing_utilities.py

@@ -70,6 +70,20 @@ class SnapDrawn():
 
         self._batch_point = None
 
+
+    def _gl_state_push(self):
+        self._is_point_size_enabled = bgl.glIsEnabled(bgl.GL_PROGRAM_POINT_SIZE)
+        if self._is_point_size_enabled:
+            bgl.glDisable(bgl.GL_PROGRAM_POINT_SIZE)
+
+        # draw 3d point OpenGL in the 3D View
+        bgl.glEnable(bgl.GL_BLEND)
+
+    def _gl_state_restore(self):
+        bgl.glDisable(bgl.GL_BLEND)
+        if self._is_point_size_enabled:
+            bgl.glEnable(bgl.GL_PROGRAM_POINT_SIZE)
+
     def batch_line_strip_create(self, coords):
         from gpu.types import (
             GPUVertBuf,