Fix creation of question/post to only allow one file upload

Author: AndreasEngelmark

config/sync/field.field.node.os2loop_post.os2loop_content_anonymous_author.yml

@@ -15,7 +15,9 @@ label: 'Anonym forfatter?'
 description: ''
 required: false
 translatable: true
-default_value: {  }
+default_value:
+  -
+    value: '0'
 default_value_callback: ''
 settings: {  }
 field_type: list_string

config/sync/field.field.node.os2loop_question.os2loop_content_anonymous_author.yml

@@ -17,7 +17,7 @@ required: true
 translatable: true
 default_value:
   -
-    value: '1'
+    value: '0'
 default_value_callback: ''
 settings: {  }
 field_type: list_string

config/sync/field.storage.node.os2loop_post_file.yml

@@ -13,7 +13,7 @@ settings:
   target_type: media
 module: core
 locked: false
-cardinality: -1
+cardinality: 1
 translatable: true
 indexes: {  }
 persist_with_no_fields: false

config/sync/field.storage.node.os2loop_question_file.yml

@@ -13,7 +13,7 @@ settings:
   target_type: media
 module: core
 locked: false
-cardinality: -1
+cardinality: 1
 translatable: true
 indexes: {  }
 persist_with_no_fields: false