RLottie: Fix missing first frame during heavy animation

src/lib/rlottie/RLottie.ts

@@ -445,8 +445,11 @@ class RLottie {
 
       // Paused from outside
       if (!this.isAnimating) {
+        const areAllLoaded = Array.from(this.containers.values()).every(({ isLoaded }) => isLoaded);
+        if (areAllLoaded) {
           return false;
         }
+      }
 
       const frameIndex = Math.round(this.approxFrameIndex);
       const frame = this.getFrame(frameIndex);