[Enhancement]: Filepicker widget reskinning

[dilippitchika]

https://www.notion.so/appsmith/Filepicker-b587b3cc2f7648c69c507e8808fa9f15

[github-actions]

We have found issues that are potential duplicates:

• [[Enhancement]: Text widget reskinning #11000] [Enhancement]: Text widget reskinning (80%)

• [[Enhancement]: List widget reskinning #10999] [Enhancement]: List widget reskinning (83.33%)

• [[Enhancement]: Tree-select widget reskinning #10991] [Enhancement]: Tree-select widget reskinning (80.77%)

• [[Enhancement]: Multi-select widget reskinning #10984] [Enhancement]: Multi-select widget reskinning (81.25%)

• [[Enhancement]: Rating widget reskinning #10983] [Enhancement]: Rating widget reskinning (85%)

• [[Enhancement]: Map chart widget reskinning #10981] [Enhancement]: Map chart widget reskinning (85%)

• [[Enhancement]: Map widget reskinning #10980] [Enhancement]: Map widget reskinning (80%)

• [[Enhancement]: Image widget reskinning #10979] [Enhancement]: Image widget reskinning (83.33%)

• [[Enhancement]: Iframe widget reskinning #10978] [Enhancement]: Iframe widget reskinning (80.77%)

• [[Enhancement]: Form widget reskinning #10977] [Enhancement]: Form widget reskinning (80%)

• [[Enhancement]: Divider widget reskinning #10976] [Enhancement]: Divider widget reskinning (82.14%)
  If any of the issues listed above are a duplicate, please consider closing this issue & upvoting the original one.
  Alternatively, if neither of the listed issues addresses your feature/bug, keep this issue open.

[github-actions]

We have found issues that are potential duplicates:

• [[Enhancement]: List widget reskinning #10999] [Enhancement]: List widget reskinning (83.33%)

• [[Enhancement]: Tree-select widget reskinning #10991] [Enhancement]: Tree-select widget reskinning (80.77%)

• [[Enhancement]: Multi-select widget reskinning #10984] [Enhancement]: Multi-select widget reskinning (81.25%)

• [[Enhancement]: Rating widget reskinning #10983] [Enhancement]: Rating widget reskinning (85%)

• [[Enhancement]: Image widget reskinning #10979] [Enhancement]: Image widget reskinning (83.33%)

• [[Enhancement]: Iframe widget reskinning #10978] [Enhancement]: Iframe widget reskinning (80.77%)

• [[Enhancement]: Divider widget reskinning #10976] [Enhancement]: Divider widget reskinning (85%)
  If any of the issues listed above are a duplicate, please consider closing this issue & upvoting the original one.
  Alternatively, if neither of the listed issues addresses your feature/bug, keep this issue open.

[dilippitchika]

Scope of changes -
https://www.notion.so/appsmith/Filepicker-94f0e429ef264a1fb2e34b186a9f695a