Data Explorer: Pandas summary statistics formatting

[jthomasmock]

Prettier printing of pandas summaries: part of #2339

[testlabauto]

Verified Fixed

Positron Version(s) : 2024.05.0-1345
OS Version          : OSX

Test scenario(s)

Tested with:

import pandas as pd
data_dict = {'a': ['p1', 'p2', 'p3', 'p4', 'p5', 'p6'],
             'b': [0.001, 0.00002, 0.0000006, 0.000000008, 0.00000000009, 20],
             'c': [1.0003, 1.0000006, 1.00000000012, 98, 92, 95],
             'd': [90.000005, 100, 91, 92.0000000000012, 98, 9589077780000000],
             'e': [93.1, 89000000000000, 99.000004, 92, 94, 92978987987777]
             }
             
             
df = pd.DataFrame(data_dict)

Link(s) to TestRail test cases run or created: