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_9.txt

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