fix(form-compile): throw on known invalid attribute types

KNOWN_INVALID_TYPES (FormDataStructure, FormDataCollection, FormDataTree,
etc.) was checked but only produced a Write-Warning/print warning — the
script still emitted the bad <v8:Type> into Form.xml, which XDTO later
rejected with a cryptic load-time error. Turn the warning into a hard
throw so misuse is caught at compile time with the correct hint.

Reveals two broken test cases that shipped invalid forms:
- form-compile/catalog-form: main attribute was FormDataStructure, fixed
  to CatalogObject.Товары (what ERP's reference catalog forms actually
  use with the cfg: prefix).
- form-info/overview: preRun form-compile used the same wrong type, fixed
  the same way; snapshot regenerated.

Bumps form-compile to v1.4 on both runtimes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

tests/skills/cases/form-compile/catalog-form.json

@@ -16,7 +16,7 @@
   "input": {
     "title": "Товар",
     "attributes": [
-      { "name": "Объект", "type": "FormDataStructure", "main": true }
+      { "name": "Объект", "type": "CatalogObject.Товары", "main": true }
     ],
     "elements": [
       { "input": "Наименование", "path": "Объект.Наименование", "title": "Наименование" },

tests/skills/cases/form-compile/snapshots/catalog-form/Catalogs/Товары/Forms/ФормаЭлемента/Ext/Form.xml

@@ -37,7 +37,7 @@
 	<Attributes>
 		<Attribute name="Объект" id="7">
 			<Type>
-				<v8:Type>FormDataStructure</v8:Type>
+				<v8:Type>cfg:CatalogObject.Товары</v8:Type>
 			</Type>
 			<MainAttribute>true</MainAttribute>
 		</Attribute>

tests/skills/cases/form-info/overview.json

@@ -12,7 +12,7 @@
     },
     {
       "script": "form-compile/scripts/form-compile",
-      "input": { "title": "Тест", "attributes": [{ "name": "Объект", "type": "FormDataStructure", "main": true }], "elements": [{ "type": "InputField", "dataPath": "Объект.Наименование" }] },
+      "input": { "title": "Тест", "attributes": [{ "name": "Объект", "type": "CatalogObject.Товары", "main": true }], "elements": [{ "type": "InputField", "dataPath": "Объект.Наименование" }] },
       "args": { "-JsonPath": "{inputFile}", "-OutputPath": "{workDir}/Catalogs/Товары/Forms/Форма/Ext/Form.xml" }
     }
   ],

tests/skills/cases/form-info/snapshots/overview/Catalogs/Товары/Forms/Форма/Ext/Form.xml

@@ -15,7 +15,7 @@
 	<Attributes>
 		<Attribute name="Объект" id="1">
 			<Type>
-				<v8:Type>FormDataStructure</v8:Type>
+				<v8:Type>cfg:CatalogObject.Товары</v8:Type>
 			</Type>
 			<MainAttribute>true</MainAttribute>
 		</Attribute>