[MM-51233] Updates for Trial Requests (#22620)

* Add new trial form to enrich trial requests with more customer info

* Update snapshots

* One more addition

* Fixes from PR feedback

* Fix types, i18n, update e2e tests

* Fix linter

* Fix i18n?

* Fix blank translation

* update snapshot

* Update snapshot properly

* Remove inapplicable test

* Fix business email validation only happening once

* UX Feedback

* Fix linter

* Fix linter again, not working locally

* FIX LINTER

* Move isvalid check until after some fields are set

* Fix for overlapping modals

* Fix linter

* UX feedback

* UX Feedback

* Fix typo in error modal

* [MM-51551] Add new Trial Form to Playbooks trial requests (#22650)

* Playbooks start trial entrypoints opens new trial form modal

* Fix style

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

* [MM-51347] Trial form error modal for embargoed and air gapped entities (#22656)

* Playbooks start trial entrypoints opens new trial form modal

* Add support for air gapped environments when making trial requests

* Add specific handling for embargoed entities

* undo some code

* Fix linter

* Fix types

* Fix style

* Updates because TE has to upgrade to E0 before it can activate a trial

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/api4/license.go

@@ -210,11 +210,7 @@ func requestTrialLicense(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var trialRequest struct {
-		Users                 int  `json:"users"`
-		TermsAccepted         bool `json:"terms_accepted"`
-		ReceiveEmailsAccepted bool `json:"receive_emails_accepted"`
-	}
+	var trialRequest *model.TrialLicenseRequest
 
 	b, readErr := io.ReadAll(r.Body)
 	if readErr != nil {
@@ -223,8 +219,16 @@ func requestTrialLicense(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 	json.Unmarshal(b, &trialRequest)
 
-	if err := c.App.Channels().RequestTrialLicense(c.AppContext.Session().UserId, trialRequest.Users, trialRequest.TermsAccepted, trialRequest.ReceiveEmailsAccepted); err != nil {
-		c.Err = err
+	var appErr *model.AppError
+	// If any of the newly supported trial request fields are set (ie, not a legacy request), process this as a new trial request (requiring the new fields) otherwise fall back on the old method.
+	if !trialRequest.IsLegacy() {
+		appErr = c.App.Channels().RequestTrialLicenseWithExtraFields(c.AppContext.Session().UserId, trialRequest)
+	} else {
+		appErr = c.App.Channels().RequestTrialLicense(c.AppContext.Session().UserId, trialRequest.Users, trialRequest.TermsAccepted, trialRequest.ReceiveEmailsAccepted)
+	}
+
+	if appErr != nil {
+		c.Err = appErr
 		return
 	}