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_19.txt

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