Related refactors to ctx.FormX functions (#16567)

* use FormTrim if posible

* speedup goGet

* only convert if nessesary

routers/api/v1/org/team.go

@@ -8,7 +8,6 @@ package org
 import (
 	"fmt"
 	"net/http"
-	"strings"
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/context"
@@ -658,7 +657,7 @@ func SearchTeam(ctx *context.APIContext) {
 
 	opts := &models.SearchTeamOptions{
 		UserID:      ctx.User.ID,
-		Keyword:     strings.TrimSpace(ctx.FormString("q")),
+		Keyword:     ctx.FormTrim("q"),
 		OrgID:       ctx.Org.Organization.ID,
 		IncludeDesc: ctx.FormString("include_desc") == "" || ctx.FormBool("include_desc"),
 		ListOptions: listOptions,