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_20.txt

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