ui: remove mandatory rule on root disk controller field while registering / updating a template (#6279)

Author: Pearl1594

ui/src/views/image/RegisterOrUploadTemplate.vue

@@ -398,7 +398,6 @@ export default {
         hypervisor: [{ type: 'number', required: true, message: this.$t('message.error.select') }],
         format: [{ required: true, message: this.$t('message.error.select') }],
         checksum: [{ required: true, message: this.$t('message.error.required.input') }],
-        rootDiskControllerType: [{ required: true, message: this.$t('message.error.select') }],
         ostypeid: [{ required: true, message: this.$t('message.error.select') }],
         groupenabled: [{ type: 'array' }]
       })
@@ -809,7 +808,9 @@ export default {
             const formattedDetailData = {}
             switch (key) {
               case 'rootDiskControllerType':
-                formattedDetailData['details[0].rootDiskController'] = input
+                if (input) {
+                  formattedDetailData['details[0].rootDiskController'] = input
+                }
                 break
               case 'nicAdapterType':
                 formattedDetailData['details[0].nicAdapter'] = input

ui/src/views/image/UpdateTemplate.vue

@@ -196,7 +196,6 @@ export default {
       this.rules = reactive({
         name: [{ required: true, message: this.$t('message.error.required.input') }],
         displaytext: [{ required: true, message: this.$t('message.error.required.input') }],
-        rootDiskController: [{ required: true, message: this.$t('message.error.select') }],
         ostypeid: [{ required: true, message: this.$t('message.error.select') }]
       })
       const resourceFields = ['name', 'displaytext', 'passwordenabled', 'ostypeid', 'isdynamicallyscalable']