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_32.txt

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