Fix Quantum Painter compiliation issues with heavy optimization (#24667)

quantum/painter/qgf.c

@@ -255,10 +255,10 @@ bool qgf_validate_stream(qp_stream_t *stream) {
     // Read and validate all the frames (automatically validates the frame offset descriptor in the process)
     for (uint16_t i = 0; i < frame_count; ++i) {
         // Validate the frame descriptor block
-        uint8_t bpp;
-        bool    has_palette;
-        bool    is_panel_native;
-        bool    has_delta;
+        uint8_t bpp             = 0;
+        bool    has_palette     = false;
+        bool    is_panel_native = false;
+        bool    has_delta       = false;
         if (!qgf_validate_frame_descriptor(stream, i, &bpp, &has_palette, &is_panel_native, &has_delta)) {
             return false;
         }

quantum/painter/qp_draw_image.c

@@ -318,9 +318,9 @@ static deferred_token qp_render_animation_state(animation_state_t *state, uint16
 }
 
 static uint32_t animation_callback(uint32_t trigger_time, void *cb_arg) {
-    animation_state_t *state = (animation_state_t *)cb_arg;
-    uint16_t           delay_ms;
-    bool               ret = qp_render_animation_state(state, &delay_ms);
+    animation_state_t *state    = (animation_state_t *)cb_arg;
+    uint16_t           delay_ms = 0;
+    bool               ret      = qp_render_animation_state(state, &delay_ms);
     if (!ret) {
         // Setting the device to NULL clears the animation slot
         state->device = NULL;