fix gradient loading not clearing previous points

issue #2765

src/gui/about.cpp

@@ -197,6 +197,8 @@ const char* aboutLine[]={
   "@party",
   _N("all members of Deflers of Noice!"),
   "",
+  _N("FUCKINGS TO: gearhead 😴"),
+  "",
   _N("copyright © 2021-2025 tildearrow"),
   _N("(and contributors)."),
 #ifdef FURNACE_GPL3

src/gui/gradient.cpp

@@ -67,6 +67,7 @@ bool Gradient2D::fromString(String val) {
 
   bgColor=ImGui::ColorConvertU32ToFloat4(bgColorH);
 
+  points.clear();
   for (size_t i=2; i<split.size(); i++) {
     Gradient2DPoint point;
     ImU32 colorH=0;