Refactored to rename "service terms" to "terms of service" (#9581)

* #124 renamed identififers from service terms to terms of service

* #124 renamed identififers from service terms to terms of service

* 124 renamed ServiceTerms model to TermsOfService

* 124 Renamed EnableCustomServiceTerms feature flag to EnableCustomTermsOfService

* 124 Renamed EnableCustomServiceTerms feature flag to EnableCustomTermsOfService

* #124 fixed formatting

* #124 fixed formatting

* #132 renamed table ServiceTerms to TermsOfService

* #124 renamed some missed files from 'service_terms' to 'terms_of_service'

* #124 removed fixed TODOs

* drop migrate of ServiceTerms table, since backporting

* s/ServiceTerms/TermsOfService/ in tests

* s/AcceptedServiceTermsId/AcceptedTermsOfServiceId/

Change the model attribute, even though the column name will eventually be removed.

* s/accepted_service_terms_id/accepted_terms_of_service_id/ to match redux

* s/serviceTerms/termsOfService

* rename column too, and add max size constraint

* s/EnableCustomServiceTerms/EnableCustomTermsOfService

api4/user_test.go

@@ -3069,20 +3069,20 @@ func TestGetUsersByStatus(t *testing.T) {
 	})
 }
 
-func TestRegisterServiceTermsAction(t *testing.T) {
+func TestRegisterTermsOfServiceAction(t *testing.T) {
 	th := Setup().InitBasic()
 	defer th.TearDown()
 	Client := th.Client
 
-	success, resp := Client.RegisterServiceTermsAction(th.BasicUser.Id, "st_1", true)
-	CheckErrorMessage(t, resp, "store.sql_service_terms_store.get.no_rows.app_error")
+	success, resp := Client.RegisteTermsOfServiceAction(th.BasicUser.Id, "st_1", true)
+	CheckErrorMessage(t, resp, "store.sql_terms_of_service_store.get.no_rows.app_error")
 
-	serviceTerms, err := th.App.CreateServiceTerms("service terms", th.BasicUser.Id)
+	termsOfService, err := th.App.CreateTermsOfService("terms of service", th.BasicUser.Id)
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	success, resp = Client.RegisterServiceTermsAction(th.BasicUser.Id, serviceTerms.Id, true)
+	success, resp = Client.RegisteTermsOfServiceAction(th.BasicUser.Id, termsOfService.Id, true)
 	CheckNoError(t, resp)
 
 	assert.True(t, *success)
@@ -3091,5 +3091,5 @@ func TestRegisterServiceTermsAction(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	assert.Equal(t, user.AcceptedServiceTermsId, serviceTerms.Id)
+	assert.Equal(t, user.AcceptedTermsOfServiceId, termsOfService.Id)
 }