web/satellite/vuetify-poc: make project table search field be consistent with other search fields

Made search field styling be consistent with other search fields.

Issue:
https://github.com/storj/storj/issues/6320

Change-Id: I21e383cef522a9f76b437a8f9977eab72987766c

web/satellite/vuetify-poc/src/components/ProjectsTableComponent.vue

@@ -8,8 +8,13 @@
             label="Search"
             prepend-inner-icon="mdi-magnify"
             single-line
+            variant="solo-filled"
+            flat
             hide-details
             clearable
+            density="comfortable"
+            rounded="lg"
+            class="mx-2 mt-2"
         />
 
         <v-data-table