Added event when a text element gets selected

I18N Commander/Processor/TextElementProcessor.cs

@@ -7,12 +7,21 @@ namespace Processor;
 
 public static class TextElementProcessor
 {
+    // Load all text elements for one particular section:
     public static async Task<List<TextElement>> GetTextElements(Section section)
     {
         await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();
         return await db.TextElements.Where(n => n.Section == section).OrderBy(n => n.Name).ThenBy(n => n.Id).ToListAsync();
     }
+    
+    // Load one text element by id:
+    public static async Task<TextElement> LoadTextElement(int id)
+    {
+        await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();
+        return await db.TextElements.FirstAsync(n => n.Id == id);
+    }
 
+    // Adds a new text element:
     public static async Task<ProcessorResult<TextElement>> AddTextElement(string? currentSectionKey, string elementName)
     {
         await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();