Split Panes inherit tab color and title of active pane

Previously to this PR if you split a pane as suggested in #18930, the split pane will lose its custom title and
will not have its custom color, with this PR it will keep as indicated

Author: Techypanda

src/cascadia/TerminalApp/AppActionHandlers.cpp

@@ -279,15 +279,25 @@ namespace winrt::TerminalApp::implementation
                 return;
             }
 
-            const auto& duplicateFromTab{ realArgs.SplitMode() == SplitType::Duplicate ? _GetFocusedTab() : nullptr };
-
             const auto& terminalTab{ _senderOrFocusedTab(sender) };
-
-            _SplitPane(terminalTab,
+            const auto& duplicateFromTab { realArgs.SplitMode() == SplitType::Duplicate ? _GetFocusedTab() : nullptr };
+            // The tab is not focused yet if we just created the tab, hacky workaround want to get feedback on if ive missed a edge cas ebefore cleaning up
+            if (!duplicateFromTab && terminalTab.get())
+            {
+                _SplitPane(terminalTab,
+                       realArgs.SplitDirection(),
+                       // This is safe, we're already filtering so the value is (0, 1)
+                       realArgs.SplitSize(),
+                       _MakePane(realArgs.ContentArgs(), *terminalTab.get()));
+            }
+            else
+            {
+                _SplitPane(terminalTab,
                        realArgs.SplitDirection(),
                        // This is safe, we're already filtering so the value is (0, 1)
                        realArgs.SplitSize(),
                        _MakePane(realArgs.ContentArgs(), duplicateFromTab));
+            }
             args.Handled(true);
         }
     }

src/cascadia/TerminalApp/TabManagement.cpp

@@ -89,6 +89,7 @@ namespace winrt::TerminalApp::implementation
 
         // This call to _MakePane won't return nullptr, we already checked that
         // case above with the _maybeElevate call.
+        // _MakePane
         _CreateNewTabFromPane(_MakePane(newContentArgs, nullptr));
         return S_OK;
     }

src/cascadia/TerminalApp/TerminalPage.cpp

@@ -3285,6 +3285,19 @@ namespace winrt::TerminalApp::implementation
                 {
                     controlSettings.DefaultSettings().StartingDirectory(workingDirectory);
                 }
+                // Copy Title and Color of tab you split
+                controlSettings.DefaultSettings().StartingTitle(terminalTab->Title());
+                const auto color = terminalTab->GetTabColor();
+                if (color.has_value())
+                {
+                    const auto& rawColor = color.value();
+                    controlSettings.DefaultSettings().StartingTabColor(
+                        winrt::Microsoft::Terminal::Core::Color{
+                            rawColor.R,
+                            rawColor.G,
+                            rawColor.B,
+                            rawColor.A });
+                }
             }
         }
         if (!profile)