Stack Var Fixes (#229)

* fix stack spec nullable/optional

* small stack fixes

Author: mattoni

components/schemas/StateCountSummary.yml

@@ -5,7 +5,6 @@ description: A summary of resources by state
 required:
 - state
 - total
-- available
 properties:
   state:
     title: CountsByState

components/schemas/stacks/spec/StackRawSource.yml

@@ -10,4 +10,7 @@ properties:
     enum:
       - raw
   details:
-    $ref: ./StackSpec.yml
+    type: object
+    nullable: true
+    allOf:
+      - $ref: ./StackSpec.yml

components/schemas/stacks/spec/StackSpecScopedVariable.yml

@@ -18,18 +18,18 @@ properties:
         description: Information about the assignment of the scoped variable to different containers in the environment.
         required:
           - global
-          - ids
-          - identifiers
         properties:
           global:
             type: boolean
             description: A boolean where true represents the scoped variables is globally assigned to all current and future containers in the environment.
           ids:
+            nullable: true
             type: array
             description: An array of container IDs, where each container identified will have access to the scoped variable.
             items:
               type: string
           identifiers:
+            nullable: true
             type: array
             description: An array of container identifiers, where each container identfied will have access to the scoped variable.
             items:
@@ -38,8 +38,6 @@ properties:
     type: object
     required:
       - env_variable
-      - internal_api
-      - file
     properties:
       env_variable:
         type: boolean