Remove blank space in properties view

- WindowManager viewer
- IME viewers

Fix: b/254437771
Test: load WM + IME traces in winscope, click on an entry in the hierarchy view, check that there is no blank space in the properties view between controls on top (filter) and the properties (tree) view below
Change-Id: I943433b594e91d4d6323af50087002b42d324d40

tools/winscope-ng/src/viewers/components/viewer_input_method.component.ts

@@ -70,8 +70,6 @@ import { ImeUiData } from "viewers/common/ime_ui_data";
       .properties-view {
         flex: 1;
         padding: 16px;
-        display: flex;
-        flex-direction: column;
         border-top: 1px solid var(--default-border);
       }
     `,

tools/winscope-ng/src/viewers/viewer_window_manager/viewer_window_manager.component.ts

@@ -76,8 +76,6 @@ import { PersistentStore } from "common/persistent_store";
       .properties-view {
         flex: 1;
         padding: 16px;
-        display: flex;
-        flex-direction: column;
         border-top: 1px solid var(--default-border);
       }
     `,