Show templates from all brands when selected brand has no templates

inventory/src/lib/react-spreadsheet-import/src/steps/ValidationStepNew/components/SearchableTemplateSelect.tsx

@@ -138,7 +138,11 @@ const SearchableTemplateSelect: React.FC<SearchableTemplateSelectProps> = ({
       // First filter by brand if selected
       let brandFiltered = templates;
       if (selectedBrand) {
-        brandFiltered = templates.filter(t => t?.company === selectedBrand);
+        // Check if the selected brand has any templates
+        const brandTemplates = templates.filter(t => t?.company === selectedBrand);
+        
+        // If the selected brand has templates, use them; otherwise, show all templates
+        brandFiltered = brandTemplates.length > 0 ? brandTemplates : templates;
       }
       
       // Then filter by search term if provided
@@ -268,9 +272,23 @@ const SearchableTemplateSelect: React.FC<SearchableTemplateSelectProps> = ({
             <ScrollArea className="max-h-[200px] overflow-y-auto" onWheel={handleWheel}>
               {!searchTerm ? (
                 selectedBrand ? (
+                  groupedTemplates[selectedBrand]?.length > 0 ? (
                     <CommandGroup heading={brands.find(b => b.id === selectedBrand)?.name || selectedBrand}>
                       {groupedTemplates[selectedBrand]?.map(template => renderCommandItem(template))}
                     </CommandGroup>
+                  ) : (
+                    // If selected brand has no templates, show all brands
+                    Object.entries(groupedTemplates).map(([companyId, companyTemplates]) => {
+                      const brand = brands.find(b => b.id === companyId);
+                      const companyName = brand ? brand.name : companyId;
+                      
+                      return (
+                        <CommandGroup key={companyId} heading={companyName}>
+                          {companyTemplates.map(template => renderCommandItem(template))}
+                        </CommandGroup>
+                      );
+                    })
+                  )
                 ) : (
                   Object.entries(groupedTemplates).map(([companyId, companyTemplates]) => {
                     const brand = brands.find(b => b.id === companyId);