[CrOS cellular] Updated rename and remove dialog width

Screenshot: https://screenshot.googleplex.com/3iiZMSnumBBEyB6.png

Bug: 1093185
Change-Id: If5c3b664f3affc958cad4a0042a0d6552ed56180
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2597766Reviewed-by: Azeem Arshad <azeemarshad@chromium.org>
Commit-Queue: Nnamdi Theodore Johnson-kanu <tjohnsonkanu@google.com>
Cr-Commit-Position: refs/heads/master@{#838248}

chrome/browser/resources/settings/chromeos/internet_page/esim_remove_profile_dialog.html

@@ -9,6 +9,10 @@
 <dom-module id="esim-remove-profile-dialog">
   <template>
     <style>
+      :host {
+        --cr-dialog-width: 324px;
+      }
+
       #cancel {
         margin-inline-end: 8px;
       }

chrome/browser/resources/settings/chromeos/internet_page/esim_rename_dialog.html

@@ -9,6 +9,10 @@
 <dom-module id="esim-rename-dialog">
   <template>
     <style>
+      :host {
+        --cr-dialog-width: 324px;
+      }
+
       #cancel {
         margin-inline-end: 8px;
       }