Update TerminalTab.cpp

Author: Swinkid

src/cascadia/TerminalApp/TerminalTab.cpp

@@ -1593,28 +1593,10 @@ namespace winrt::TerminalApp::implementation
     //   the same read-only status.
     void TerminalTab::SetPaneReadOnly(const bool readOnlyState)
     {
-        auto hasReadOnly = false;
-        auto allReadOnly = true;
-        _activePane->WalkTree([&](const auto& p) {
-            if (const auto& control{ p->GetTerminalControl() })
-            {
-                hasReadOnly |= control.ReadOnly();
-                allReadOnly &= control.ReadOnly();
-            }
-        });
         _activePane->WalkTree([&](const auto& p) {
             if (const auto& control{ p->GetTerminalControl() })
             {
-                // If all controls have the same read only state then just disable
-                if (allReadOnly || !hasReadOnly)
-                {
-                    control.SetReadOnly(readOnlyState);
-                }
-                // otherwise set to all read only.
-                else if (!control.ReadOnly())
-                {
-                    control.SetReadOnly(readOnlyState);
-                }
+                control.SetReadOnly(readOnlyState);
             }
         });
     }