OOXML types are now visible in Template Import Dialog

Change-Id: I5414391cebc4a5a8e08d6d0004fefc3a0acc8111
Reviewed-on: https://gerrit.libreoffice.org/55128Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>

sfx2/source/doc/templatedlg.cxx

@@ -904,14 +904,14 @@ void SfxTemplateManagerDlg::OnTemplateImportCategory(const OUString& sCategory)
     // add filters of modules which are installed
     SvtModuleOptions aModuleOpt;
     if ( aModuleOpt.IsModuleInstalled( SvtModuleOptions::EModule::WRITER ) )
-        sFilterExt += "*.ott;*.stw;*.oth";
+        sFilterExt += "*.ott;*.stw;*.oth;*.dotx;*.dot";
 
     if ( aModuleOpt.IsModuleInstalled( SvtModuleOptions::EModule::CALC ) )
     {
         if ( !sFilterExt.isEmpty() )
             sFilterExt += ";";
 
-        sFilterExt += "*.ots;*.stc";
+        sFilterExt += "*.ots;*.stc;*xltx;*.xlt";
     }
 
     if ( aModuleOpt.IsModuleInstalled( SvtModuleOptions::EModule::IMPRESS ) )
@@ -919,7 +919,7 @@ void SfxTemplateManagerDlg::OnTemplateImportCategory(const OUString& sCategory)
         if ( !sFilterExt.isEmpty() )
             sFilterExt += ";";
 
-        sFilterExt += "*.otp;*.sti";
+        sFilterExt += "*.otp;*.sti;*.pot;*.potx";
     }
 
     if ( aModuleOpt.IsModuleInstalled( SvtModuleOptions::EModule::DRAW ) )