[TechDraw] Improve TaskFillTemplate tool (#22400)

* [TechDraw] Improve TaskFillTemplate tool
* [TechDraw] use max instead of if block as per Lint feedback
* [TechDraw] remove unused icon variable

src/Mod/TechDraw/CSVdata/FillTemplateFields.csv

@@ -1,10 +1,11 @@
 CreatedByChkLst,ScaleChkLst,LabelChkLst,CommentChkLst,CompanyChkLst,LicenseChkLst,CreatedDateChkLst,LastModifiedDateChkLst
 "author_name","fc-sc","drawing_title","freecad_drawing","nomsuperviseur","copyright","datedecreation","fc-date"
-"nomauteur","echelle","document_type","titleline-1","companyname","rights","fecha2","date"
+"nomauteur","echelle","title","titleline-1","companyname","rights","fecha2","date"
 "authorname","масштаб","titre","sous_titre","compagnyname",,"date-1","dateverification"
 "designed_by_name","escala","название","subtitulo","compagny",,"creationdate","дата"
 "designed by name","scale","titulo", "subtitle",,,,"fecha3"
-"nom auteur","fc-scale","drawing_name",,,,,"date-2"
-,,"fc-title",,,,,"checkdate"
-,,"titleline-1",,,,,
+"nom auteur","fc-scale","drawing_name","supplementary_title_1",,,,"date-2"
+"creator",,"fc-title",,,,,"checkdate"
+,,"titleline-1",,,,,"date_of_issue"
 ,,"freecad",,,,,
+,,"document_type",,,,,