Feature Toggles: Switch feature toggle admin page over to k8s API (#80854)

* add handling for legacy and k8s apis to frontend

* use backend srv directly not redux

* add unit test to make sure the correct apis are being called

* require api server flag

* fix feature toggle name

* ensure both pages work correctly

* make consistent with legacy api

* implement webhook update

* fix unit test

* remove old apis and update

---------

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

pkg/apis/featuretoggle/v0alpha1/types.go

@@ -78,8 +78,11 @@ type FeatureTogglesList struct {
 type ResolvedToggleState struct {
 	metav1.TypeMeta `json:",inline"`
 
-	// Can any flag be updated
-	Writeable bool `json:"writeable,omitempty"`
+	// The user is allowed to edit feature toggles on this system
+	AllowEditing bool `json:"allowEditing,omitempty"`
+
+	// The system has changes that require still require a restart
+	RestartRequired bool `json:"restartRequired,omitempty"`
 
 	// The currently enabled flags
 	Enabled map[string]bool `json:"enabled,omitempty"`
@@ -99,7 +102,7 @@ type ToggleStatus struct {
 	Enabled bool `json:"enabled"`
 
 	// Can this flag be updated
-	Writeable bool `json:"writeable,omitempty"`
+	Writeable bool `json:"writeable"`
 
 	// Where was the value configured
 	// eg: startup | tenant|org | user | browser

pkg/apis/featuretoggle/v0alpha1/zz_generated.openapi.go

@@ -318,9 +318,16 @@ func schema_pkg_apis_featuretoggle_v0alpha1_ResolvedToggleState(ref common.Refer
 							Format:      "",
 						},
 					},
-					"writeable": {
+					"allowEditing": {
 						SchemaProps: spec.SchemaProps{
-							Description: "Can any flag be updated",
+							Description: "The user is allowed to edit feature toggles on this system",
+							Type:        []string{"boolean"},
+							Format:      "",
+						},
+					},
+					"restartRequired": {
+						SchemaProps: spec.SchemaProps{
+							Description: "The system has changes that require still require a restart",
 							Type:        []string{"boolean"},
 							Format:      "",
 						},
@@ -395,6 +402,7 @@ func schema_pkg_apis_featuretoggle_v0alpha1_ToggleStatus(ref common.ReferenceCal
 					"writeable": {
 						SchemaProps: spec.SchemaProps{
 							Description: "Can this flag be updated",
+							Default:     false,
 							Type:        []string{"boolean"},
 							Format:      "",
 						},
@@ -413,7 +421,7 @@ func schema_pkg_apis_featuretoggle_v0alpha1_ToggleStatus(ref common.ReferenceCal
 						},
 					},
 				},
-				Required: []string{"name", "enabled"},
+				Required: []string{"name", "enabled", "writeable"},
 			},
 		},
 		Dependencies: []string{