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/dots/frame_35.txt

@@ -0,0 +1,17 @@
+                                      
+              ○●●◉○●●●○●●○            
+           ●●○●◉·●●● ·●·◉ ·●○○        
+        ○◉◉·◉●●·○● ·  · ●○●◉ ·●●      
+       ●◉◉●◉●◉●○            ●●○○·○    
+      ◉◉··◉◉○  ○●●            ·○●·●   
+     ◉◉◉◉●· ●·○ ◉◉●○           ·○○·   
+     ○  ◉◉    ○○ ●●○◉           ·○○○  
+     ···◉      ◉○○◉◉●           ◉  ◉  
+     ◉ ●○    ●··◉◉ ◉·○○○◉○○●··  ··○●  
+     ·●○◉●  ◉◉◉ ●●◉·◉ ○●○○○○◉ ·◉● ·●  
+      ◉·○●●◉○○·◉○·  · ○○○○●○○●◉◉○●·   
+        ◉○○◉·               ○◉● ●○    
+        ○◉·○◉●◉●          ●◉◉○●●●     
+           ○○ ·●·◉◉··●·◉◉● ○◉◉        
+              ○·◉○○○◉○○●●● ○          
+