DolphinQt: Add some i18n comments for recently added strings

Source/Core/DolphinQt/Debugger/NetworkWidget.cpp

@@ -241,6 +241,7 @@ QGroupBox* NetworkWidget::CreateSocketTableGroup()
   socket_table_group->setLayout(socket_table_layout);
 
   m_socket_table = new QTableWidget();
+  // i18n: FD stands for file descriptor (and in this case refers to sockets, not regular files)
   QStringList header{tr("FD"), tr("Domain"), tr("Type"), tr("State"), tr("Name")};
   m_socket_table->setColumnCount(header.size());
 
@@ -286,6 +287,7 @@ QGroupBox* NetworkWidget::CreateSSLOptionsGroup()
 
   m_dump_ssl_read_checkbox = new QCheckBox(tr("Dump SSL read"));
   m_dump_ssl_write_checkbox = new QCheckBox(tr("Dump SSL write"));
+  // i18n: CA stands for certificate authority
   m_dump_root_ca_checkbox = new QCheckBox(tr("Dump root CA"));
   m_dump_peer_cert_checkbox = new QCheckBox(tr("Dump peer certificates"));
   m_verify_certificates_checkbox = new QCheckBox(tr("Verify certificates"));

Source/Core/DolphinQt/GCMemcardCreateNewDialog.cpp

@@ -29,10 +29,14 @@ GCMemcardCreateNewDialog::GCMemcardCreateNewDialog(QWidget* parent) : QDialog(pa
   m_combobox_size->setCurrentIndex(5);
 
   m_radio_western = new QRadioButton(tr("Western (Windows-1252)"));
+  // i18n: The translation of this string should be consistent with the translation of the
+  // string "Western (Windows-1252)". Because of this, you may want to parse "Japanese" as
+  // "a character encoding which is from Japan / used in Japan" rather than "the Japanese language".
   m_radio_shiftjis = new QRadioButton(tr("Japanese (Shift-JIS)"));
   m_radio_western->setChecked(true);
 
   auto* card_size_label = new QLabel(tr("Card Size"));
+  // i18n: Character encoding
   auto* card_encoding_label = new QLabel(tr("Encoding"));
   auto* button_box = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
   button_box->button(QDialogButtonBox::Ok)->setText(tr("Create..."));

Source/Core/DolphinQt/Settings/AdvancedPane.cpp

@@ -127,6 +127,10 @@ void AdvancedPane::CreateLayout()
   mem2_override_slider_layout->addWidget(m_mem2_override_slider_label);
 
   auto* ram_override_description =
+      // i18n: "Retail titles should be optimized for the retail memory limitations" is a
+      // description of how GameCube/Wii games typically behave (in other words, "Retail titles are
+      // normally optimized for the retail memory limitations"), not an instruction that the user
+      // should do something.
       new QLabel(tr("Adjusts the emulated sizes of MEM1 and MEM2.\n\n"
                     "Some titles may recognize the larger memory arena(s) and take "
                     "advantage of it, though retail titles should be optimized for "