Tweak actions color and borders (#29640)

- Increase contrast overall
- Unalias the ansi color in dark theme and copy them to light
- Add outer border
- Add border radius

<img width="1337" alt="Screenshot 2024-03-06 at 22 30 03"
src="11407c0f-0bb2-435e-a034-22b1f106d9b0">
<img width="1335" alt="Screenshot 2024-03-06 at 22 36 59"
src="267db442-0979-4acc-a79e-8579b4cb0262">

(cherry picked from commit 16f13265143ff08cb6c33e976998b262e94fe569)

web_src/js/components/RepoActionView.vue

@@ -631,6 +631,8 @@ export function initRepositoryActionView() {
   width: 70%;
   display: flex;
   flex-direction: column;
+  border: 1px solid var(--color-console-border);
+  border-radius: var(--border-radius);
 }
 
 /* begin fomantic button overrides */
@@ -690,7 +692,6 @@ export function initRepositoryActionView() {
   justify-content: space-between;
   align-items: center;
   padding: 0 12px;
-  border-bottom: 1px solid var(--color-console-border);
   background-color: var(--color-console-bg);
   position: sticky;
   top: 0;
@@ -714,6 +715,7 @@ export function initRepositoryActionView() {
   background-color: var(--color-console-bg);
   max-height: 100%;
   border-radius: 0 0 var(--border-radius) var(--border-radius);
+  border-top: 1px solid var(--color-console-border);
   z-index: 0;
 }
 
@@ -799,7 +801,7 @@ export function initRepositoryActionView() {
 /* class names 'log-time-seconds' and 'log-time-stamp' are used in the method toggleTimeDisplay */
 .job-log-line .line-num, .log-time-seconds {
   width: 48px;
-  color: var(--color-grey-light);
+  color: var(--color-text-light-3);
   text-align: right;
   user-select: none;
 }
@@ -815,7 +817,7 @@ export function initRepositoryActionView() {
 
 .job-log-line .log-time,
 .log-time-stamp {
-  color: var(--color-grey-light);
+  color: var(--color-text-light-3);
   margin-left: 10px;
   white-space: nowrap;
 }