Show correct SSL Mode on "install page" (#25818) (#25838)

Backport #25818 by @wxiaoguang

Fix #25817


![image](https://github.com/go-gitea/gitea/assets/2114189/49f7b85d-c229-41b5-86fd-58cd812eaca6)

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/install/install.go

@@ -102,6 +102,7 @@ func Install(ctx *context.Context) {
 	form.DbName = setting.Database.Name
 	form.DbPath = setting.Database.Path
 	form.DbSchema = setting.Database.Schema
+	form.SSLMode = setting.Database.SSLMode
 
 	curDBType := setting.Database.Type.String()
 	var isCurDBTypeSupported bool

templates/install.tmpl

@@ -28,7 +28,7 @@
 						</div>
 					</div>
 
-					<div class="gt-hidden" data-db-setting-for="common-host">
+					<div class="gt-mt-4 gt-hidden" data-db-setting-for="common-host">
 						<div class="inline required field {{if .Err_DbSetting}}error{{end}}">
 							<label for="db_host">{{.locale.Tr "install.host"}}</label>
 							<input id="db_host" name="db_host" value="{{.db_host}}">
@@ -47,7 +47,7 @@
 						</div>
 					</div>
 
-					<div class="gt-hidden" data-db-setting-for="postgres">
+					<div class="gt-mt-4 gt-hidden" data-db-setting-for="postgres">
 						<div class="inline required field">
 							<label>{{.locale.Tr "install.ssl_mode"}}</label>
 							<div class="ui selection database type dropdown">
@@ -68,7 +68,7 @@
 						</div>
 					</div>
 
-					<div class="gt-hidden" data-db-setting-for="sqlite3">
+					<div class="gt-mt-4 gt-hidden" data-db-setting-for="sqlite3">
 						<div class="inline required field {{if or .Err_DbPath .Err_DbSetting}}error{{end}}">
 							<label for="db_path">{{.locale.Tr "install.path"}}</label>
 							<input id="db_path" name="db_path" value="{{.db_path}}">