[TASK] Update all UI text to follow sentence case structure

[jenny-s51]

Description

All user-facing text in the UI should be updated from Title Case or ALL CAPS to sentence case.

1. Workspace kinds screen:

2. Filter component group:

3. Drawer panel:

4. Delete workspace modal:

Acceptance Criteria

Suggested updates (per @tobiastal):

1. 1. "Workspace Kinds" > "Workspace kinds"
   2. "Workspaces Summary" > "Workspaces summary"
   3. "Idle GPU Workspaces" > "Idle GPU workspaces"
   4. "Top GPU Consumer Namespaces" > "Top GPU consumer namespaces"
   5. "NAME" > "Name", "Find by Name" > "Find by name"
   6. "CLEAR ALL FILTERS" > "Clear all filters"
   7. Table columns (e.g. "Pod Config" > "Pod config") and there's more columns

2. 1. "NAME" > "Name" , "Find by Name" > "Find by name"
   2. "CREATE WORKSPACE KIND" > "Create workspace kind"

3. 1. "ACTIONS" > "Actions"
   2. All tabs
   3. Titles under "Activity"

4. 1. "Delete Workspace" > "Delete workspace"
   2. Actions: "Delete" & "Cancel"
   3. "CONNECT" > "Connect"

[jenny-s51]

/assign