Fix particles resetting properties when emitting is toggled

scene/2d/cpu_particles_2d.cpp

@@ -45,7 +45,7 @@ void CPUParticles2D::set_emitting(bool p_emitting) {
 		return;
 	}
 
-	if (p_emitting && !use_fixed_seed) {
+	if (p_emitting && !use_fixed_seed && one_shot) {
 		set_seed(Math::rand());
 	}
 

scene/2d/gpu_particles_2d.cpp

@@ -41,7 +41,7 @@
 void GPUParticles2D::set_emitting(bool p_emitting) {
 	// Do not return even if `p_emitting == emitting` because `emitting` is just an approximation.
 
-	if (p_emitting && p_emitting != emitting && !use_fixed_seed) {
+	if (p_emitting && p_emitting != emitting && !use_fixed_seed && one_shot) {
 		set_seed(Math::rand());
 	}
 	if (p_emitting && one_shot) {

scene/3d/cpu_particles_3d.cpp

@@ -48,7 +48,7 @@ void CPUParticles3D::set_emitting(bool p_emitting) {
 		return;
 	}
 
-	if (p_emitting && !use_fixed_seed) {
+	if (p_emitting && !use_fixed_seed && one_shot) {
 		set_seed(Math::rand());
 	}
 

scene/3d/gpu_particles_3d.cpp

@@ -42,7 +42,7 @@ AABB GPUParticles3D::get_aabb() const {
 
 void GPUParticles3D::set_emitting(bool p_emitting) {
 	// Do not return even if `p_emitting == emitting` because `emitting` is just an approximation.
-	if (p_emitting && p_emitting != emitting && !use_fixed_seed) {
+	if (p_emitting && p_emitting != emitting && !use_fixed_seed && one_shot) {
 		set_seed(Math::rand());
 	}
 	if (p_emitting && one_shot) {