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/vbars/frame_33.txt

@@ -0,0 +1,17 @@
+                                      
+               ▎▊▉▌▉▌▉▌▏▋▎            
+            ▎▉▉▏▏▍▉▌▏▋▏▊▏▉▏▉▋         
+          ▎▋▍▏▉▉▉▊▌█▎  █▉▋▏▏▉█▊       
+         ▊▍▋▏▋▎▏▊▎        ▉▏▏▍▎▉      
+        ▎▋▏▋▎▏▏▋▍▍▍         ▏▉▍▍▍     
+        ▋▋▊   ▍▎▍▍▎▍▊        ▋▍▋▎▍    
+        ▏▏▉    ▍▊▉▏▎▏▍       ▏▉▏▏     
+        ▉▏▊▊   ▊██▍▋▌▊       ▍█▏▉     
+        ▏▏▏ ▏ ▊▎ ▋▉▊▊▊▌▌▌▉▏▏▉▋▎▏▍▏    
+        ▍▋▏██▋▋▊▋▎▏▏▎▎▎▎▎▏▏▉▍▍▍▏▏▋    
+        ▍▌▍▊ ▏▋▏▋ ▋ ████▉▉▉ ▏▏▊▋▍▎    
+         ▍▉▍▉▊█▊           ▋▋▌▋▌▋     
+          ▉▍█▉▊▉▌▊      ▎▉▏▊▋▉▍█      
+            ▍▏█▉▍▉▏▊▌▉▎█▌▊▍▉▏▉        
+              █▌▌▉▊▎▎▎▍▉▉▌▊█          
+                   ▎▎▎▎