Shortcuts: claim mods ownership once pressed. (#456, #2637, #2620, #2891, #3370, #3724, #4828, #5108, #5242, #5641)

imgui.cpp

@@ -9743,6 +9743,10 @@ bool ImGui::Shortcut(ImGuiKeyChord key_chord, ImGuiInputFlags flags, ImGuiID own
 
     if (!IsKeyChordPressed(key_chord, flags, owner_id))
         return false;
+
+    // Claim mods during the press
+    SetKeyOwnersForKeyChord(key_chord & ImGuiMod_Mask_, owner_id);
+
     IM_ASSERT((flags & ~ImGuiInputFlags_SupportedByShortcut) == 0); // Passing flags not supported by this function!
     return true;
 }