HexEditor: Add ASCII to the value inspector

This is kind of redundant but probably easier to read than the ASCII
column. Also, it seems appropriate after we add other character
encodings.

Author: kleinesfilmroellchen

Userland/Applications/HexEditor/HexEditorWidget.cpp

@@ -285,9 +285,11 @@ void HexEditorWidget::update_inspector_values(size_t position)
 
         value_inspector_model->set_parsed_value(ValueInspectorModel::ValueType::SignedByte, String::number(static_cast<i8>(unsigned_byte_value)));
         value_inspector_model->set_parsed_value(ValueInspectorModel::ValueType::UnsignedByte, String::number(unsigned_byte_value));
+        value_inspector_model->set_parsed_value(ValueInspectorModel::ValueType::ASCII, String::formatted("{:c}", static_cast<char>(unsigned_byte_value)));
     } else {
         value_inspector_model->set_parsed_value(ValueInspectorModel::ValueType::SignedByte, "");
         value_inspector_model->set_parsed_value(ValueInspectorModel::ValueType::UnsignedByte, "");
+        value_inspector_model->set_parsed_value(ValueInspectorModel::ValueType::ASCII, "");
     }
 
     if (byte_read_count >= 2) {

Userland/Applications/HexEditor/ValueInspectorModel.h

@@ -26,6 +26,7 @@ class ValueInspectorModel final : public GUI::Model {
         UnsignedLong,
         Float,
         Double,
+        ASCII,
         __Count
     };
 
@@ -90,6 +91,8 @@ class ValueInspectorModel final : public GUI::Model {
             return "Float";
         case Double:
             return "Double";
+        case ASCII:
+            return "ASCII";
         default:
             return "";
         }
@@ -112,6 +115,7 @@ class ValueInspectorModel final : public GUI::Model {
             switch (selected_type) {
             case SignedByte:
             case UnsignedByte:
+            case ASCII:
                 return 1;
             case SignedShort:
             case UnsignedShort: