test(coverage): raise the frontend floors S9 measured

system-backups.mjs gets its measured floor in place of the provisional one;
admin.js, activity-scan.mjs and maintenance-review.mjs branches go up.

Refs #326

tools/vendor/frontend-coverage-baseline.json

@@ -1,7 +1,7 @@
 {
   "admin.js": {
     "lines": 32,
-    "branches": 58,
+    "branches": 61,
     "functions": 27,
     "statements": 32
   },
@@ -175,7 +175,7 @@
   },
   "workspace/activity-scan.mjs": {
     "lines": 96,
-    "branches": 78,
+    "branches": 87,
     "functions": 98,
     "statements": 96
   },
@@ -415,7 +415,7 @@
   },
   "workspace/maintenance-review.mjs": {
     "lines": 94,
-    "branches": 85,
+    "branches": 86,
     "functions": 90,
     "statements": 94
   },
@@ -497,18 +497,18 @@
     "functions": 98,
     "statements": 98
   },
+  "workspace/system-backups.mjs": {
+    "lines": 95,
+    "branches": 87,
+    "functions": 94,
+    "statements": 95
+  },
   "workspace/system-controls.mjs": {
     "lines": 98,
     "branches": 89,
     "functions": 89,
     "statements": 98
   },
-  "workspace/system-backups.mjs": {
-    "lines": 80,
-    "branches": 80,
-    "functions": 80,
-    "statements": 80
-  },
   "workspace/system-integrations.mjs": {
     "lines": 96,
     "branches": 88,