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_3.txt

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