[GITEA] Allow changing the email address before activation (squash) cache is always active

This needs to be revisited because the MailResendLimit is not enforced
and turns out to not be tested.

See e7cb8da * Always enable caches (go-gitea#28527)

Author: earl-warren

routers/web/auth/auth.go

@@ -696,7 +696,7 @@ func ActivatePost(ctx *context.Context) {
 			}
 			// Change the primary email
 			if setting.Service.RegisterEmailConfirm {
-				if setting.CacheService.Enabled && ctx.Cache.IsExist("MailResendLimit_"+ctx.Doer.LowerName) {
+				if false && ctx.Cache.IsExist("MailResendLimit_"+ctx.Doer.LowerName) {
 					ctx.Data["ResendLimited"] = true
 				} else {
 					ctx.Data["ActiveCodeLives"] = timeutil.MinutesToFriendly(setting.Service.ActiveCodeLives, ctx.Locale)

tests/integration/signup_test.go

@@ -99,7 +99,6 @@ func TestSignupEmailChangeForInactiveUser(t *testing.T) {
 	// Disable the captcha & enable email confirmation for registrations
 	defer test.MockVariableValue(&setting.Service.EnableCaptcha, false)()
 	defer test.MockVariableValue(&setting.Service.RegisterEmailConfirm, true)()
-	defer test.MockVariableValue(&setting.CacheService.Enabled, false)()
 
 	// Create user
 	req := NewRequestWithValues(t, "POST", "/user/sign_up", map[string]string{
@@ -133,7 +132,6 @@ func TestSignupEmailChangeForActiveUser(t *testing.T) {
 	// Disable the captcha & enable email confirmation for registrations
 	defer test.MockVariableValue(&setting.Service.EnableCaptcha, false)()
 	defer test.MockVariableValue(&setting.Service.RegisterEmailConfirm, false)()
-	defer test.MockVariableValue(&setting.CacheService.Enabled, false)()
 
 	// Create user
 	req := NewRequestWithValues(t, "POST", "/user/sign_up", map[string]string{