Maya: Validate shader name - OP-5903 (#4971)

* Fix regex matching.

* Add active setting

* Update openpype/hosts/maya/plugins/publish/validate_shader_name.py

openpype/settings/defaults/project_settings/maya.json

@@ -734,6 +734,7 @@
         "ValidateShaderName": {
             "enabled": false,
             "optional": true,
+            "active": true,
             "regex": "(?P<asset>.*)_(.*)_SHD"
         },
         "ValidateShadingEngine": {

openpype/settings/entities/schemas/projects_schema/schemas/schema_maya_publish.json

@@ -126,6 +126,11 @@
                     "key": "optional",
                     "label": "Optional"
                 },
+                {
+                    "type": "boolean",
+                    "key": "active",
+                    "label": "Active"
+                },
                 {
                     "type": "label",
                     "label": "Shader name regex can use named capture group <b>asset</b> to validate against current asset name.<p><b>Example:</b><br/><code>^.*(?P=&lt;asset&gt;.+)_SHD</code></p>"