add warning if you're creating a new version with old versions data

ui/app/templates/components/secret-edit-display.hbs

@@ -10,11 +10,20 @@
   {{/if}}
 
   {{#if @showAdvancedMode}}
-    <JsonEditor
-      @value={{@codemirrorString}}
-      @valueUpdated={{@editActions.codemirrorUpdated}}
-      @onFocusOut={{@editActions.formatJSON}}
-    />
+    <div class="form-section">
+      <label class="title is-5">
+        {{#if isV2}}
+        Version Data
+        {{else}}
+        Secret Data
+        {{/if}}
+      </label>
+      <JsonEditor
+        @value={{@codemirrorString}}
+        @valueUpdated={{@editActions.codemirrorUpdated}}
+        @onFocusOut={{@editActions.formatJSON}}
+      />
+    </div>
   {{else}}
     <div class="form-section">
       <label class="title is-5">

ui/app/templates/partials/secret-form-edit.hbs

@@ -2,22 +2,29 @@
   <div class="box is-sideless is-fullwidth is-marginless is-paddingless">
     <MessageError @model={{model}} @errorMessage={{error}} />
     <NamespaceReminder @mode="edit" @noun="secret" />
-  <SecretEditDisplay
-    @showAdvancedMode={{showAdvancedMode}}
-    @codemirrorString={{codemirrorString}}
-    @secretData={{secretData}}
-    @isV2={{isV2}}
-    @canEditV2Secret={{canEditV2Secret}}
-    @model={{model}}
-    @editActions={{hash
-      codemirrorUpdated=(action "codemirrorUpdated")
-      formatJSON=(action "formatJSON")
-      handleKeyDown=(action "handleKeyDown")
-      handleChange=(action "handleChange")
-      deleteRow=(action "deleteRow")
-      addRow=(action "addRow")
-    }}
-  />
+    {{#if (not-eq model.selectedVersion.version model.currentVersion)}}
+      <div class="form-section">
+        <MessageInPage @type="warning" @class="is-marginless">
+          You are creating a new version based on data from Version {{model.selectedVersion.version}}. The current version for <code>{{model.id}}</code> is Version {{model.currentVersion}}.
+        </MessageInPage>
+      </div>
+    {{/if}}
+    <SecretEditDisplay
+      @showAdvancedMode={{showAdvancedMode}}
+      @codemirrorString={{codemirrorString}}
+      @secretData={{secretData}}
+      @isV2={{isV2}}
+      @canEditV2Secret={{canEditV2Secret}}
+      @model={{model}}
+      @editActions={{hash
+        codemirrorUpdated=(action "codemirrorUpdated")
+        formatJSON=(action "formatJSON")
+        handleKeyDown=(action "handleKeyDown")
+        handleChange=(action "handleChange")
+        deleteRow=(action "deleteRow")
+        addRow=(action "addRow")
+      }}
+    />
   </div>
   <div class="field is-grouped is-grouped-split is-fullwidth box is-bottomless">
     <div class="field is-grouped">
@@ -35,6 +42,7 @@
           mode="show"
           secret=model.id
           class="button"
+          queryParams=(query-params version=this.modelForData.version)
         }}
           Cancel
         {{/secret-link}}