Mm 16623 fix all initialism errors in channels/app and channels/api4 dir (#25743)

* updated go mod and sum files

* fixed var-naming errors in channels/app and channels/api4 dir

* Revert "updated go mod and sum files"

This reverts commit 088dd00a848c2c31952c29f0a2a28a9fb47fc3f7.

* renamed a cost .

server/channels/app/slashcommands/command_invite_people.go

@@ -16,7 +16,7 @@ type InvitePeopleProvider struct {
 }
 
 const (
-	CmdInvite_PEOPLE = "invite_people"
+	CmdInvitePeople = "invite_people"
 )
 
 func init() {
@@ -24,7 +24,7 @@ func init() {
 }
 
 func (*InvitePeopleProvider) GetTrigger() string {
-	return CmdInvite_PEOPLE
+	return CmdInvitePeople
 }
 
 func (*InvitePeopleProvider) GetCommand(a *app.App, T i18n.TranslateFunc) *model.Command {
@@ -33,7 +33,7 @@ func (*InvitePeopleProvider) GetCommand(a *app.App, T i18n.TranslateFunc) *model
 		autoComplete = false
 	}
 	return &model.Command{
-		Trigger:          CmdInvite_PEOPLE,
+		Trigger:          CmdInvitePeople,
 		AutoComplete:     autoComplete,
 		AutoCompleteDesc: T("api.command.invite_people.desc"),
 		AutoCompleteHint: T("api.command.invite_people.hint"),