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/shapes/frame_29.txt

@@ -0,0 +1,17 @@
+                                      
+                 □□□□□▲               
+                ▲◇□△ □○               
+                ○▲◇◇ ■■◇              
+                ◇◇◇◇○○▲△              
+                ○ ◇■◇  ◇              
+                ◇▲◇◇◇ ◆◆              
+                ◇○○◇◇◇ ○              
+                ◇◇●◇◇                 
+                ◇◇◇□◇   ◆             
+                ◆◇●◇◇   ◆             
+                □◇◇△◇○ ●              
+                ◇△◇◇◇ ◆◇              
+                ◇◇◇◇◆◇◆◇              
+                ◇●◇□△■◇■              
+                 ◇◇□ △▲               
+