Add stray visual refinements (#22125)

In different parts of the app, but all of them can be seen in the
screenshot below:

<img width="800" alt="Screenshot 2024-12-16 at 21 31 51"
src="https://github.com/user-attachments/assets/79c0ad5e-4e4c-469d-93a1-fd4e707d4aaa"
/>

Release Notes:

- N/A *or* Added/Fixed/Improved ...

assets/themes/one/one.json

@@ -9,7 +9,7 @@
       "style": {
         "border": "#464b57ff",
         "border.variant": "#363c46ff",
-        "border.focused": "#293b5bff",
+        "border.focused": "#47679eff",
         "border.selected": "#293b5bff",
         "border.transparent": "#00000000",
         "border.disabled": "#414754ff",
@@ -384,7 +384,7 @@
       "style": {
         "border": "#c9c9caff",
         "border.variant": "#dfdfe0ff",
-        "border.focused": "#cbcdf6ff",
+        "border.focused": "#7d82e8ff",
         "border.selected": "#cbcdf6ff",
         "border.transparent": "#00000000",
         "border.disabled": "#d3d3d4ff",