fix text nodes and stroke preview on resize

src/node_stroke_preview.cpp

@@ -580,7 +580,7 @@ void NodeStrokePreview::draw()
 
 void NodeStrokePreview::handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom)
 {
-    if (m_tex_preview.size() == new_size || m_preview_size == (new_size * root()->m_zoom) || !m_brush)
+    if (m_preview_size == (new_size * root()->m_zoom) || !m_brush)
         return;
 
     m_preview_size = new_size * root()->m_zoom;

src/node_text.cpp

@@ -113,3 +113,8 @@ void NodeText::draw()
     m_text_mesh.draw();
     glDisable(GL_BLEND);
 }
+
+void NodeText::handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom)
+{
+    m_text_mesh.update(font_id, m_text.c_str());
+}

src/node_text.h

@@ -20,4 +20,5 @@ public:
     void set_text_format(const char* fmt, ...);
     void set_font(kFont fontID);
     virtual void draw() override;
+    virtual void handle_resize(glm::vec2 old_size, glm::vec2 new_size, float zoom) override;
 };