Change animation frames (#3627)

## Description
- Changes animation frames to be smaller
- Cleans up file names and popup logic

## tests
- Passes local CI

codex-rs/tui/frames/hbars/frame_4.txt

@@ -0,0 +1,17 @@
+                                      
+             ▂▅▄▄▇▄▄▇▄▇▆▂             
+         ▂▆█▇▇▁▅ ▁▃▄▅▇▄▁█▅▇▆▂         
+       ▆▇▄▁▁▁▇▇█▂   ▂▃▁▃▃▇▁▅▃▃▂       
+      ▅▅▁▆▁█▅▇▆          █▁▇▇▃▇▃      
+     ▅▁▅▂▁▄▁▃▄▃▁▆          ▃█▃▁▇▃     
+    ▅▁▁▃▁  █▂▁▁▅▇▃          █ ▃▄▁▆    
+    █▃▁▄▂   █▇▇▃▇█▁▆         ▆ █▄▁    
+     ▁▅▃     ▆▁▅▇▃▁▁           ▁▁▁    
+    ▂▁ ▁▂   ▄▁▅█▃▅▅▇▁▇▇▇▂▂▂▂▆▆ ▁▁▇    
+    ▁▃▅ ▁ ▆▅▅▅▆▂▁▂▄▃▁▆▅▂▆▅▅▃▄▁▅▅█▁    
+     ▂▁▄█▃▆▃▃▆▃▅   █▇▇▇▇▇▇▇█▃▆▁▁▁▂    
+      ▆▁▃█▁▂▂             ▆▃▄▅▇▇█     
+       ▃▃▆▅▃ ▆▂        ▂▅▃▆▇▄▁▅       
+         ▁▁▁▄▂▇▇▃▄▄▄▄▆▇▄▇▇▃▁▇▂        
+            ▇▃▃▁▅▁▂▂▂▂▂▄▆▇▂           
+