topic-filter: Replace usage of search_pill.

Add topic_filter_pill to use for topic filtering instead of search_pill.

Fixes part of #35284.

tools/lib/capitalization.py

@@ -176,6 +176,10 @@ IGNORED_PHRASES = [
     r"archived",
     # Used in pills for deactivated users.
     r"deactivated",
+    # Used in pills for resolved topics.
+    r"resolved",
+    # Used in pills for unresolved topics.
+    r"unresolved",
     # This is a reference to a setting/secret and should be lowercase.
     r"zulip_org_id",
     # These are custom time unit options for modal dropdowns

tools/test-js-with-node

@@ -271,6 +271,7 @@ EXEMPT_FILES = make_set(
         "web/src/timerender.ts",
         "web/src/tippyjs.ts",
         "web/src/todo_widget.ts",
+        "web/src/topic_filter_pill.ts",
         "web/src/topic_list.ts",
         "web/src/topic_popover.ts",
         "web/src/typing.ts",