Fix: Using float image layer as normal map produce wrong normal

Layer.py

@@ -4896,7 +4896,7 @@ class YLayerChannel(bpy.types.PropertyGroup):
     normal_strength : FloatProperty(
         name = 'Normal Strength',
         description = 'Normal strength',
-        default=1.0, min=0.0, max=10.0, 
+        default=1.0, min=0.0, max=100.0, 
         update=update_normal_strength)
 
     image_flip_y : BoolProperty(

common.py

@@ -5376,7 +5376,8 @@ def any_linear_images_problem(yp):
                     #if ((is_image_source_srgb(image, source) and not ch_linear) or
                     #    (not is_image_source_srgb(image, source) and ch_linear)
                     #    ):
-                    if not ch_linear:
+                    # NOTE: Float image is pretended to be sRGB even if it's using linear colorspace
+                    if (image.is_float and ch_linear) or (not image.is_float and not ch_linear):
                         return True
 
                 if not image.is_float and ((is_image_source_srgb(image, source) and linear) or

subtree.py

@@ -2349,7 +2349,7 @@ def check_layer_channel_linear_node(ch, layer=None, root_ch=None, reconnect=Fals
             and not ch.override_1
             and root_ch.type == 'NORMAL'
             and ch.normal_map_type in {'NORMAL_MAP', 'BUMP_NORMAL_MAP'}
-            and source #and is_image_source_srgb(image, source)
+            and source and source.image and not source.image.is_float #and is_image_source_srgb(image, source) # NOTE: No need for channel linear if the image is float
         )):
         if root_ch.type == 'VALUE':
             linear = replace_new_node(source_tree, ch, 'linear', 'ShaderNodeMath', 'Linear')