Fixed two bugs in Effect. 1. The shaders weren't being applied to everything, only shapes. 2. The Textual components were getting a not-shape shader but should be shapes.

include/guecs/ui.hpp

@@ -213,7 +213,7 @@ namespace guecs {
           sf::Shader *shader_ptr = nullptr;
 
           if(auto shader = get_if<Effect>(ent)) {
-            if(shader->$active && !is_shape) {
+            if(shader->$active) {
               auto ptr = shader->checkout_ptr();
               ptr->setUniform("is_shape", is_shape);
               // NOTE: this is needed because SFML doesn't handle shared_ptr