Tree Filter and Speed Search widgets: use colors of the Search panel — specify...

Tree Filter and Speed Search widgets: use colors of the Search panel — specify SpeedSearch colors in themes because otherwise they can masked by "*"

(cherry picked from commit c87106e049e9579b917bc85d500e4239b3152a9a)

IJ-CR-96873

(cherry picked from commit 23b357a0a1a3d00d2a4b9d6bf7eb6564c0bf12d8)

GitOrigin-RevId: 123b5f862cb3c2ec9df86ff6b99ec683952dcb36

platform/platform-impl/src/com/intellij/ide/ui/laf/intellijlaf.theme.json

@@ -649,6 +649,10 @@
       "UI": "com.intellij.ide.ui.laf.darcula.ui.DarculaSliderUI"
     },
 
+    "SpeedSearch": {
+      "background": "contentBackground"
+    },
+
     "Spinner": {
       "arrowButtonInsets": "1,1,1,1",
       "background": "panel",

platform/platform-resources/src/themes/expUI/expUI_dark.theme.json

@@ -403,6 +403,12 @@
       "selectedPressedBackground": "Blue4"
     },
 
+    "SpeedSearch": {
+      "background": "Grey1",
+      "borderColor": "Grey3",
+      "errorForeground": "Red6"
+    },
+
     "StatusBar": {
       "Widget": {
         "foreground": "Grey9",

platform/platform-resources/src/themes/expUI/expUI_light.theme.json

@@ -422,6 +422,11 @@
       "selectedPressedBackground": "Blue12"
     },
 
+    "SpeedSearch": {
+      "background": "Grey13",
+      "borderColor": "Grey11"
+    },
+
     "StatusBar": {
       "background": "Grey12",
       "Widget": {