Allow setting emptyDir on hostPathMount (#508)

* allow the use of emptyDir for hostPathMount

* increase common version for all Apps

* Hide emptyDir subquestions when disabled

* fix podgrab and appdaemon

* some naming tweaks

charts/stable/collabora-online/SCALE/questions.yaml

@@ -270,12 +270,29 @@ questions:
                   default: false
                   hidden: false
               - variable: emptyDir
-                label: "emptyDir"
+                label: "EmptyDir Volume"
                 schema:
-                  type: boolean
-                  default: false
-                  hidden: true
-                  editable: false
+                  type: dict
+                  hidden: false
+                  attrs:
+                    - variable: enabled
+                      label: "Use emptyDir volume"
+                      schema:
+                        type: boolean
+                        default: false
+                        hidden: false
+                        show_subquestions_if: true
+                        subquestions:
+                          - variable: medium
+                            label: "EmptyDir Medium"
+                            schema:
+                              type: string
+                              default: ""
+                              enum:
+                                - value: ""
+                                  description: "Default"
+                                - value: "Memory"
+                                  description: "Memory"
               - variable: mountPath
                 label: "Mount Path"
                 description: "Path to mount inside the pod"
@@ -286,6 +303,7 @@ questions:
                   editable: true
               - variable: hostPath
                 label: "Host Path"
+                description: "Path on the host to mount inside the container, ignored when emptyDir is enabled"
                 schema:
                   type: hostpath
                   required: true