doc: Sync classref with current source

doc/classes/DirectionalLight3D.xml

@@ -39,6 +39,8 @@
 		<member name="directional_shadow_split_3" type="float" setter="set_param" getter="get_param" default="0.5">
 			The distance from shadow split 2 to split 3. Relative to [member directional_shadow_max_distance]. Only used when [member directional_shadow_mode] is [code]SHADOW_PARALLEL_4_SPLITS[/code].
 		</member>
+		<member name="shadow_bias" type="float" setter="set_param" getter="get_param" override="true" default="0.05" />
+		<member name="shadow_normal_bias" type="float" setter="set_param" getter="get_param" override="true" default="1.0" />
 	</members>
 	<constants>
 		<constant name="SHADOW_ORTHOGONAL" value="0" enum="ShadowMode">

doc/classes/Light3D.xml

@@ -65,7 +65,7 @@
 		<member name="light_specular" type="float" setter="set_param" getter="get_param" default="0.5">
 			The intensity of the specular blob in objects affected by the light. At [code]0[/code], the light becomes a pure diffuse light. When not baking emission, this can be used to avoid unrealistic reflections when placing lights above an emissive surface.
 		</member>
-		<member name="shadow_bias" type="float" setter="set_param" getter="get_param" default="0.02">
+		<member name="shadow_bias" type="float" setter="set_param" getter="get_param" default="0.1">
 			Used to adjust shadow appearance. Too small a value results in self-shadowing ("shadow acne"), while too large a value causes shadows to separate from casters ("peter-panning"). Adjust as needed.
 		</member>
 		<member name="shadow_blur" type="float" setter="set_param" getter="get_param" default="1.0">
@@ -77,7 +77,7 @@
 		<member name="shadow_enabled" type="bool" setter="set_shadow" getter="has_shadow" default="false">
 			If [code]true[/code], the light will cast shadows.
 		</member>
-		<member name="shadow_normal_bias" type="float" setter="set_param" getter="get_param" default="1.0">
+		<member name="shadow_normal_bias" type="float" setter="set_param" getter="get_param" default="2.0">
 			Offsets the lookup into the shadow map by the object's normal. This can be used to reduce self-shadowing artifacts without using [member shadow_bias]. In practice, this value should be tweaked along with [member shadow_bias] to reduce artifacts as much as possible.
 		</member>
 		<member name="shadow_reverse_cull_face" type="bool" setter="set_shadow_reverse_cull_face" getter="get_shadow_reverse_cull_face" default="false">

doc/classes/RichTextLabel.xml

@@ -52,7 +52,7 @@
 				Clears the tag stack and sets [member bbcode_text] to an empty string.
 			</description>
 		</method>
-		<method name="get_content_height">
+		<method name="get_content_height" qualifiers="const">
 			<return type="int">
 			</return>
 			<description>

doc/classes/SpotLight3D.xml

@@ -12,6 +12,8 @@
 	<methods>
 	</methods>
 	<members>
+		<member name="shadow_bias" type="float" setter="set_param" getter="get_param" override="true" default="0.02" />
+		<member name="shadow_normal_bias" type="float" setter="set_param" getter="get_param" override="true" default="1.0" />
 		<member name="spot_angle" type="float" setter="set_param" getter="get_param" default="45.0">
 			The spotlight's angle in degrees.
 		</member>

doc/classes/VisualShaderNodeTexture2DArrayUniform.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<class name="VisualShaderNodeTexture2DArrayUniform" inherits="VisualShaderNodeTextureUniform" version="4.0">
+	<brief_description>
+	</brief_description>
+	<description>
+	</description>
+	<tutorials>
+	</tutorials>
+	<methods>
+	</methods>
+	<constants>
+	</constants>
+</class>